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basic-css.json
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basic-css.json
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{
"name": "Basic CSS",
"order": 1,
"time": "5 hours",
"helpRoom": "Help",
"challenges": [
{
"id": "bad87fee1348bd9aedf08803",
"title": "Change the Color of Text",
"description": [
"现在来让我们修改一下文本的颜色。",
"我们通过修改<code>h2</code>元素里面的 <code>style</code>。",
"<code>color</code>属性可以控制文本元素颜色。",
"以下是改变<code>h2</code>元素为蓝色的方法:",
"<code><h2 style=\"color: blue;\">CatPhotoApp</h2></code>",
"请注意行内<code>style</code>最好以<code>;</code>来结束。",
"<hr>",
"请把<code>h2</code>元素的文本颜色设置为红色。"
],
"tests": [
{
"text": "你的<code>h2</code>元素应该为红色。",
"testString": "assert($(\"h2\").css(\"color\") === \"rgb(255, 0, 0)\", '你的<code>h2</code>元素应该为红色。');"
},
{
"text": "<code>h2</code>元素的<code>style</code> 属性的值应该以<code>;</code>结束。",
"testString": "assert(code.match(/<h2\\s+style\\s*=\\s*(\\'|\")\\s*color\\s*:\\s*(?:rgb\\(\\s*255\\s*,\\s*0\\s*,\\s*0\\s*\\)|rgb\\(\\s*100%\\s*,\\s*0%\\s*,\\s*0%\\s*\\)|red|#ff0000|#f00|hsl\\(\\s*0\\s*,\\s*100%\\s*,\\s*50%\\s*\\))\\s*\\;(\\'|\")>\\s*CatPhotoApp\\s*<\\/h2>/),'<code>h2</code> 元素 <code>style</code> 属性的值应该以 <code>;</code> 结束。');"
],
"challengeType": 0,
"files": {
"indexhtml": {
"key": "indexhtml",
"ext": "html",
"name": "index",
"contents": [
"<h2>CatPhotoApp</h2>",
"<main>",
" <p>Click here to view more <a href=\"#\">cat photos</a>.</p>",
" ",
" <a href=\"#\"><img src=\"https://bit.ly/fcc-relaxing-cat\" alt=\"A cute orange cat lying on its back.\"></a>",
" ",
" <div>",
" <p>Things cats love:</p>",
" <ul>",
" <li>cat nip</li>",
" <li>laser pointers</li>",
" <li>lasagna</li>",
" </ul>",
" <p>Top 3 things cats hate:</p>",
" <ol>",
" <li>flea treatment</li>",
" <li>thunder</li>",
" <li>other cats</li>",
" </ol>",
" </div>",
" ",
" <form action=\"/submit-cat-photo\">",
" <label><input type=\"radio\" name=\"indoor-outdoor\" checked> Indoor</label>",
" <label><input type=\"radio\" name=\"indoor-outdoor\"> Outdoor</label><br>",
" <label><input type=\"checkbox\" name=\"personality\" checked> Loving</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Lazy</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Energetic</label><br>",
" <input type=\"text\" placeholder=\"cat photo URL\" required>",
" <button type=\"submit\">Submit</button>",
" </form>",
"</main>"
],
"head": [],
"tail": []
}
}
},
{
"id": "bad87fee1348bd9aedf08805",
"title": "Use CSS Selectors to Style Elements",
"description": [
"在CSS中,有上百种<code>属性</code>可以让你改变页面样式。",
"通过输入 <code><h2 style=\"color: red\">CatPhotoApp</h2></code> 的<code>行内样式</code>,修改单一的<code>h2</code>元素的颜色的方式,配置 <code>层叠样式表(CSS)</code> 的方式之一。",
"这是改变元素样式的一个特别方法,不过存在着更好的方法来设置<code>层叠样式表(CSS</code>。",
"在代码的顶部,创建一个 <code>style</code> 声明区域,如下方所示:",
"<blockquote><style><br></style></blockquote>",
"在style样式声明区域内,可以创建一个<code>CSS 选择器</code>的规则来应用于所有的<code>h2</code>元素。例如,如果你想所有<code>h2</code>元素变成红色,可以添加下方的样式规则:",
"<blockquote><style><br> h2 {color: red;}<br></style></blockquote>",
"注意,在每个元素的样式声明区域里,左右花括号(<code>{</code> 和 <code>}</code>)一定要写全。你需要确定你定义的样式规则位于花括号之间。以及,记得在每个元素样式规则的末尾添加分号。",
"<hr>",
"删除<code>h2</code>元素的行内样式,创建<code>style</code>样式声明区域。添加CSS样式规则使<code>h2</code>元素变为蓝色。"
],
"tests": [
{
"text": "移除<code>h2</code>元素的行内样式。",
"testString": "assert(!$(\"h2\").attr(\"style\"), '移除<code>h2</code>元素的行内样式。');"
},
{
"text": "创建一个<code>style</code>样式声明区域。",
"testString": "assert($(\"style\") && $(\"style\").length > 1, '创建一个<code>style</code>样式声明区域。');"
},
{
"text": "<code>h2</code>元素颜色应为蓝色。",
"testString": "assert($(\"h2\").css(\"color\") === \"rgb(0, 0, 255)\", '<code>h2</code>元素颜色应为蓝色。');"
},
{
"text": "确保你的样式声明里的<code>h2</code>规则需以花括号所包括,和分号结束。",
"testString": "assert(code.match(/h2\\s*\\{\\s*color\\s*:.*;\\s*\\}/g), '确保你的样式声明里的<code>h2</code>规则需以花括号所包括,和分号结束。');"
}
],
"challengeType": 0,
"files": {
"indexhtml": {
"key": "indexhtml",
"ext": "html",
"name": "index",
"contents": [
"<h2 style=\"color: red\">CatPhotoApp</h2>",
"<main>",
" <p>Click here to view more <a href=\"#\">cat photos</a>.</p>",
" ",
" <a href=\"#\"><img src=\"https://bit.ly/fcc-relaxing-cat\" alt=\"A cute orange cat lying on its back.\"></a>",
" ",
" <div>",
" <p>Things cats love:</p>",
" <ul>",
" <li>cat nip</li>",
" <li>laser pointers</li>",
" <li>lasagna</li>",
" </ul>",
" <p>Top 3 things cats hate:</p>",
" <ol>",
" <li>flea treatment</li>",
" <li>thunder</li>",
" <li>other cats</li>",
" </ol>",
" </div>",
" ",
" <form action=\"/submit-cat-photo\">",
" <label><input type=\"radio\" name=\"indoor-outdoor\" checked> Indoor</label>",
" <label><input type=\"radio\" name=\"indoor-outdoor\"> Outdoor</label><br>",
" <label><input type=\"checkbox\" name=\"personality\" checked> Loving</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Lazy</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Energetic</label><br>",
" <input type=\"text\" placeholder=\"cat photo URL\" required>",
" <button type=\"submit\">Submit</button>",
" </form>",
"</main>"
],
"head": [],
"tail": []
}
}
},
{
"id": "bad87fee1348bd9aecf08806",
"title": "Use a CSS Class to Style an Element",
"description": [
"CSS 的<code>class</code>具有可重用性,可应用于各种 HTML 元素。",
"一个 CSS<code>class</code>声明示例,如下所示:",
"<blockquote><style><br> .blue-text {<br> color: blue;<br> }<br></style></blockquote>",
"可以看到,我们在<code><style></code>样式声明区域里,创建了一个名为<code>blue-text</code>的<code>class</code>选择器。",
"你可以将 CSS<code>class</code>选择器应用到一个HTML元素里,如下所示:",
"<code><h2 class=\"blue-text\">CatPhotoApp</h2></code>",
"注意你的<code>style</code>样式区域声明里,<code>class</code>需以句号开头。而在你的HTML元素里的<code>class</code>属性的类名,不需要包含句号",
"<hr>",
"在<code>style</code>样式声明里,<code>h2</code>元素选择器改为<code>.red-text</code>的 CSS <code>class</code> 择器,同时将颜色<code>blue</code>变为<code>red</code>。",
"在你的<code>h2</code>元素里,添加一个<code>class</code>属性,且值为<code>'red-text'</code>。"
],
"tests": [
{
"text": "你的<code>h2</code>元素应该为红色。",
"testString": "assert($(\"h2\").css(\"color\") === \"rgb(255, 0, 0)\", '你的<code>h2</code>元素应该为红色。');"
},
{
"text": "你的<code>h2</code>元素应含有<code>red-text</code> class 选择器。",
"testString": "assert($(\"h2\").hasClass(\"red-text\"), '你的<code>h2</code>元素应含有<code>red-text</code> class 选择器。');"
},
{
"text": "你的<code>style</code>样式声明区域里应该包含一个<code>red-text</code> class 选择器,并且它的颜色应为红色。",
"testString": "assert(code.match(/\\.red-text\\s*\\{\\s*color\\s*:\\s*red;\\s*\\}/g), '你的<code>style</code>样式声明区域里应该包含一个<code>red-text</code> class 选择器,并且它的颜色应为红色。');"
},
{
"text": "不要在<code>h2</code>元素里使用<code>style=\"color: red\"</code>的行内样式 。",
"testString": "assert($(\"h2\").attr(\"style\") === undefined, '不要在<code>h2</code>元素里使用<code>style=\"color: red\"</code>的行内样式 。');"
}
],
"challengeType": 0,
"files": {
"indexhtml": {
"key": "indexhtml",
"ext": "html",
"name": "index",
"contents": [
"<style>",
" h2 {",
" color: blue;",
" }",
"</style>",
"",
"<h2>CatPhotoApp</h2>",
"<main>",
" <p>Click here to view more <a href=\"#\">cat photos</a>.</p>",
" ",
" <a href=\"#\"><img src=\"https://bit.ly/fcc-relaxing-cat\" alt=\"A cute orange cat lying on its back.\"></a>",
" ",
" <div>",
" <p>Things cats love:</p>",
" <ul>",
" <li>cat nip</li>",
" <li>laser pointers</li>",
" <li>lasagna</li>",
" </ul>",
" <p>Top 3 things cats hate:</p>",
" <ol>",
" <li>flea treatment</li>",
" <li>thunder</li>",
" <li>other cats</li>",
" </ol>",
" </div>",
" ",
" <form action=\"/submit-cat-photo\">",
" <label><input type=\"radio\" name=\"indoor-outdoor\" checked> Indoor</label>",
" <label><input type=\"radio\" name=\"indoor-outdoor\"> Outdoor</label><br>",
" <label><input type=\"checkbox\" name=\"personality\" checked> Loving</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Lazy</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Energetic</label><br>",
" <input type=\"text\" placeholder=\"cat photo URL\" required>",
" <button type=\"submit\">Submit</button>",
" </form>",
"</main>"
],
"head": [],
"tail": []
}
}
},
{
"id": "bad87fee1348bd9aefe08806",
"title": "Style Multiple Elements with a CSS Class",
"description": [
"通过 CSS class 选择器,多个 HTML 元素可以使用相同的 CSS 样式规则。你可以将<code>red-text</code> class 选择器应用在第一个<code>p</code>元素上。"
],
"tests": [
{
"text": "你的<code>h2</code>元素应该是红色的。",
"testString": "assert($(\"h2\").css(\"color\") === \"rgb(255, 0, 0)\", '你的<code>h2</code>元素应该是红色的。');"
},
{
"text": "你的<code>h2</code>元素应该含有名为<code>red-text</code> 的 class 选择器。",
"testString": "assert($(\"h2\").hasClass(\"red-text\"), '你的<code>h2</code>元素应该含有名为<code>red-text</code> 的 class 选择器。');"
},
{
"text": "你的第一个<code>p</code>元素应该为红色。",
"testString": "assert($(\"p:eq(0)\").css(\"color\") === \"rgb(255, 0, 0)\", '你的第一个<code>p</code>元素应该为红色。');"
},
{
"text": "你的第二和第三个<code>p</code>元素不应该为红色。",
"testString": "assert(!($(\"p:eq(1)\").css(\"color\") === \"rgb(255, 0, 0)\") && !($(\"p:eq(2)\").css(\"color\") === \"rgb(255, 0, 0)\"), '你的第二和第三个<code>p</code>元素不应该为红色。');"
},
{
"text": "你的第一个<code>p</code>元素应该包含名为<code>red-text</code>的 class 选择器。",
"testString": "assert($(\"p:eq(0)\").hasClass(\"red-text\"), '你的第一个<code>p</code> 元素应该包含名为<code>red-text</code>的 class 选择器。');"
}
],
"challengeType": 0,
"files": {
"indexhtml": {
"key": "indexhtml",
"ext": "html",
"name": "index",
"contents": [
"<style>",
" .red-text {",
" color: red;",
" }",
"</style>",
"",
"<h2 class=\"red-text\">CatPhotoApp</h2>",
"<main>",
" <p>Click here to view more <a href=\"#\">cat photos</a>.</p>",
" ",
" <a href=\"#\"><img src=\"https://bit.ly/fcc-relaxing-cat\" alt=\"A cute orange cat lying on its back.\"></a>",
" ",
" <div>",
" <p>Things cats love:</p>",
" <ul>",
" <li>cat nip</li>",
" <li>laser pointers</li>",
" <li>lasagna</li>",
" </ul>",
" <p>Top 3 things cats hate:</p>",
" <ol>",
" <li>flea treatment</li>",
" <li>thunder</li>",
" <li>other cats</li>",
" </ol>",
" </div>",
" ",
" <form action=\"/submit-cat-photo\">",
" <label><input type=\"radio\" name=\"indoor-outdoor\" checked> Indoor</label>",
" <label><input type=\"radio\" name=\"indoor-outdoor\"> Outdoor</label><br>",
" <label><input type=\"checkbox\" name=\"personality\" checked> Loving</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Lazy</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Energetic</label><br>",
" <input type=\"text\" placeholder=\"cat photo URL\" required>",
" <button type=\"submit\">Submit</button>",
" </form>",
"</main>"
],
"head": [],
"tail": []
}
}
},
{
"id": "bad87fee1348bd9aedf08806",
"title": "Change the Font Size of an Element",
"description": [
"字体大小由<code>font-size</code>的 CSS 属性控制,如下所示:",
"<blockquote>h1 {<br> font-size: 30px;<br>}</blockquote>",
"<hr>",
"在包含<code>red-text</code> class 的<code><style></code>声明区域的里,创建一个<code>p</code>元素样式规则,并设置<code>font-size</code>为 16 像素(<code>16px</code>)。"
],
"tests": [
{
"text": "在<code>style</code>样式声明区域里,<code>p</code>元素的<code>font-size</code>的值应为<code>16px</code>,浏览器和文本缩放应设置为 100%。",
"testString": "assert(code.match(/p\\s*{\\s*font-size\\s*:\\s*16\\s*px\\s*;\\s*}/i), '在<code>style</code>样式声明区域里,<code>p</code>元素的<code>font-size</code>的值应为<code>16px</code>,浏览器和文本缩放应设置为 100%。');"
}
],
"challengeType": 0,
"files": {
"indexhtml": {
"key": "indexhtml",
"ext": "html",
"name": "index",
"contents": [
"<style>",
" .red-text {",
" color: red;",
" }",
"</style>",
"",
"<h2 class=\"red-text\">CatPhotoApp</h2>",
"<main>",
" <p class=\"red-text\">Click here to view more <a href=\"#\">cat photos</a>.</p>",
" ",
" <a href=\"#\"><img src=\"https://bit.ly/fcc-relaxing-cat\" alt=\"A cute orange cat lying on its back.\"></a>",
" ",
" <div>",
" <p>Things cats love:</p>",
" <ul>",
" <li>cat nip</li>",
" <li>laser pointers</li>",
" <li>lasagna</li>",
" </ul>",
" <p>Top 3 things cats hate:</p>",
" <ol>",
" <li>flea treatment</li>",
" <li>thunder</li>",
" <li>other cats</li>",
" </ol>",
" </div>",
" ",
" <form action=\"/submit-cat-photo\">",
" <label><input type=\"radio\" name=\"indoor-outdoor\" checked> Indoor</label>",
" <label><input type=\"radio\" name=\"indoor-outdoor\"> Outdoor</label><br>",
" <label><input type=\"checkbox\" name=\"personality\" checked> Loving</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Lazy</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Energetic</label><br>",
" <input type=\"text\" placeholder=\"cat photo URL\" required>",
" <button type=\"submit\">Submit</button>",
" </form>",
"</main>"
],
"head": [],
"tail": []
}
}
},
{
"id": "bad87fee1348bd9aede08807",
"title": "Set the Font Family of an Element",
"description": [
"通过<code>font-family</code>属性,可以设置元素里面的字体样式。",
"例如,如果你想设置<code>h2</code>元素的字体为<code>sans-serif</code>,你可以用以下的 CSS 规则:",
"<blockquote>h2 {<br> font-family: sans-serif;<br>}</blockquote>",
"<hr>",
"确保你所有的<code>p</code>元素使用<code>monospace</code>字体。"
],
"tests": [
{
"text": "你的<code>p</code>元素应该使用<code>monospace</code>字体。",
"testString": "assert($(\"p\").not(\".red-text\").css(\"font-family\").match(/monospace/i), '你的<code>p</code>元素应该使用<code>monospace</code>字体。');"
}
],
"challengeType": 0,
"files": {
"indexhtml": {
"key": "indexhtml",
"ext": "html",
"name": "index",
"contents": [
"<style>",
" .red-text {",
" color: red;",
" }",
"",
" p {",
" font-size: 16px;",
" }",
"</style>",
"",
"<h2 class=\"red-text\">CatPhotoApp</h2>",
"<main>",
" <p class=\"red-text\">Click here to view more <a href=\"#\">cat photos</a>.</p>",
" ",
" <a href=\"#\"><img src=\"https://bit.ly/fcc-relaxing-cat\" alt=\"A cute orange cat lying on its back.\"></a>",
" ",
" <div>",
" <p>Things cats love:</p>",
" <ul>",
" <li>cat nip</li>",
" <li>laser pointers</li>",
" <li>lasagna</li>",
" </ul>",
" <p>Top 3 things cats hate:</p>",
" <ol>",
" <li>flea treatment</li>",
" <li>thunder</li>",
" <li>other cats</li>",
" </ol>",
" </div>",
" ",
" <form action=\"/submit-cat-photo\">",
" <label><input type=\"radio\" name=\"indoor-outdoor\" checked> Indoor</label>",
" <label><input type=\"radio\" name=\"indoor-outdoor\"> Outdoor</label><br>",
" <label><input type=\"checkbox\" name=\"personality\" checked> Loving</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Lazy</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Energetic</label><br>",
" <input type=\"text\" placeholder=\"cat photo URL\" required>",
" <button type=\"submit\">Submit</button>",
" </form>",
"</main>"
],
"head": [],
"tail": []
}
}
},
{
"id": "bad87fee1348bd9aedf08807",
"title": "Import a Google Font",
"description": [
"In addition to specifying common fonts that are found on most operating systems, we can also specify non-standard, custom web fonts for use on our website. There are various sources for web fonts on the internet but, for this example we will focus on the Google Fonts library.",
"<a href='https://fonts.google.com/' target='_blank'>Google Fonts</a> is a free library of web fonts that you can use in your CSS by referencing the font's URL.",
"So, let's go ahead and import and apply a Google font (note that if Google is blocked in your country, you will need to skip this challenge).",
"To import a Google Font, you can copy the font(s) URL from the Google Fonts library and then paste it in your HTML. For this challenge, we'll import the <code>Lobster</code> font. To do this, copy the following code snippet and paste it into the top of your code editor(before the opening <code>style</code> element):",
"<code><link href=\"https://fonts.googleapis.com/css?family=Lobster\" rel=\"stylesheet\" type=\"text/css\"></code>",
"Now you can use the <code>Lobster</code> font in your CSS by using <code>Lobster</code> as the FAMILY_NAME as in the following example:<br><code>font-family: FAMILY_NAME, GENERIC_NAME;</code>.",
"The GENERIC_NAME is optional, and is a fallback font in case the other specified font is not available. This is covered in the next challenge.",
"Family names are case-sensitive and need to be wrapped in quotes if there is a space in the name. For example, you need quotes to use the <code>\"Open Sans\"</code> font, but not to use the <code>Lobster</code> font.",
"<hr>",
"Create a <code>font-family</code> CSS rule that uses the <code>Lobster</code> font, and ensure that it will be applied to your <code>h2</code> element."
],
"tests": [
{
"text": "Import the <code>Lobster</code> font.",
"testString": "assert(new RegExp(\"googleapis\", \"gi\").test(code), 'Import the <code>Lobster</code> font.');"
},
{
"text": "Your <code>h2</code> element should use the font <code>Lobster</code>.",
"testString": "assert($(\"h2\").css(\"font-family\").match(/lobster/i), 'Your <code>h2</code> element should use the font <code>Lobster</code>.');"
},
{
"text": "Use an <code>h2</code> CSS selector to change the font.",
"testString": "assert(/\\s*h2\\s*\\{\\s*font-family\\:\\s*(\\'|\")?Lobster(\\'|\")?\\s*;\\s*\\}/gi.test(code), 'Use an <code>h2</code> CSS selector to change the font.');"
},
{
"text": "Your <code>p</code> element should still use the font <code>monospace</code>.",
"testString": "assert($(\"p\").css(\"font-family\").match(/monospace/i), 'Your <code>p</code> element should still use the font <code>monospace</code>.');"
}
],
"challengeType": 0,
"files": {
"indexhtml": {
"key": "indexhtml",
"ext": "html",
"name": "index",
"contents": [
"<style>",
" .red-text {",
" color: red;",
" }",
"",
" p {",
" font-size: 16px;",
" font-family: monospace;",
" }",
"</style>",
"",
"<h2 class=\"red-text\">CatPhotoApp</h2>",
"<main>",
" <p class=\"red-text\">Click here to view more <a href=\"#\">cat photos</a>.</p>",
" ",
" <a href=\"#\"><img src=\"https://bit.ly/fcc-relaxing-cat\" alt=\"A cute orange cat lying on its back.\"></a>",
" ",
" <div>",
" <p>Things cats love:</p>",
" <ul>",
" <li>cat nip</li>",
" <li>laser pointers</li>",
" <li>lasagna</li>",
" </ul>",
" <p>Top 3 things cats hate:</p>",
" <ol>",
" <li>flea treatment</li>",
" <li>thunder</li>",
" <li>other cats</li>",
" </ol>",
" </div>",
" ",
" <form action=\"/submit-cat-photo\">",
" <label><input type=\"radio\" name=\"indoor-outdoor\" checked> Indoor</label>",
" <label><input type=\"radio\" name=\"indoor-outdoor\"> Outdoor</label><br>",
" <label><input type=\"checkbox\" name=\"personality\" checked> Loving</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Lazy</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Energetic</label><br>",
" <input type=\"text\" placeholder=\"cat photo URL\" required>",
" <button type=\"submit\">Submit</button>",
" </form>",
"</main>"
],
"head": [],
"tail": []
}
}
},
{
"id": "bad87fee1348bd9aedf08808",
"title": "Specify How Fonts Should Degrade",
"description": [
"There are several default fonts that are available in all browsers. These generic font families include <code>monospace</code>, <code>serif</code> and <code>sans-serif</code>",
"When one font isn't available, you can tell the browser to \"degrade\" to another font.",
"For example, if you wanted an element to use the <code>Helvetica</code> font, but degrade to the <code>sans-serif</code> font when <code>Helvetica</code> wasn't available, you will specify it as follows:",
"<blockquote>p {<br> font-family: Helvetica, sans-serif;<br>}</blockquote>",
"Generic font family names are not case-sensitive. Also, they do not need quotes because they are CSS keywords.",
"<hr>",
"To begin with, apply the <code>monospace</code> font to the <code>h2</code> element, so that it now has two fonts - <code>Lobster</code> and <code>monospace</code>.",
"In the last challenge, you imported the <code>Lobster</code> font using the <code>link</code> tag. Now comment out that import of the <code>Lobster</code> font(using the HTML comments you learned before) from Google Fonts so that it isn't available anymore. Notice how your <code>h2</code> element degrades to the <code>monospace</code> font.",
"<strong>Note</strong><br>If you have the Lobster font installed on your computer, you won't see the degradation because your browser is able to find the font."
],
"tests": [
{
"text": "Your h2 element should use the font <code>Lobster</code>.",
"testString": "assert($(\"h2\").css(\"font-family\").match(/^\"?lobster/i), 'Your h2 element should use the font <code>Lobster</code>.');"
},
{
"text": "Your h2 element should degrade to the font <code>monospace</code> when <code>Lobster</code> is not available.",
"testString": "assert(/\\s*h2\\s*\\{\\s*font-family\\:\\s*(\\'|\")?Lobster(\\'|\")?,\\s*monospace\\s*;\\s*\\}/gi.test(code), 'Your h2 element should degrade to the font <code>monospace</code> when <code>Lobster</code> is not available.');"
},
{
"text": "Comment out your call to Google for the <code>Lobster</code> font by putting <code><!--</code> in front of it.",
"testString": "assert(new RegExp(\"<!--[^fc]\", \"gi\").test(code), 'Comment out your call to Google for the <code>Lobster</code> font by putting <code><!--</code> in front of it.');"
},
{
"text": "Be sure to close your comment by adding <code>--></code>.",
"testString": "assert(new RegExp(\"[^fc]-->\", \"gi\").test(code), 'Be sure to close your comment by adding <code>--></code>.');"
}
],
"challengeType": 0,
"files": {
"indexhtml": {
"key": "indexhtml",
"ext": "html",
"name": "index",
"contents": [
"<link href=\"https://fonts.googleapis.com/css?family=Lobster\" rel=\"stylesheet\" type=\"text/css\">",
"<style>",
" .red-text {",
" color: red;",
" }",
"",
" h2 {",
" font-family: Lobster;",
" }",
"",
" p {",
" font-size: 16px;",
" font-family: monospace;",
" }",
"</style>",
"",
"<h2 class=\"red-text\">CatPhotoApp</h2>",
"<main>",
" <p class=\"red-text\">Click here to view more <a href=\"#\">cat photos</a>.</p>",
" ",
" <a href=\"#\"><img src=\"https://bit.ly/fcc-relaxing-cat\" alt=\"A cute orange cat lying on its back.\"></a>",
" ",
" <div>",
" <p>Things cats love:</p>",
" <ul>",
" <li>cat nip</li>",
" <li>laser pointers</li>",
" <li>lasagna</li>",
" </ul>",
" <p>Top 3 things cats hate:</p>",
" <ol>",
" <li>flea treatment</li>",
" <li>thunder</li>",
" <li>other cats</li>",
" </ol>",
" </div>",
" ",
" <form action=\"/submit-cat-photo\">",
" <label><input type=\"radio\" name=\"indoor-outdoor\" checked> Indoor</label>",
" <label><input type=\"radio\" name=\"indoor-outdoor\"> Outdoor</label><br>",
" <label><input type=\"checkbox\" name=\"personality\" checked> Loving</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Lazy</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Energetic</label><br>",
" <input type=\"text\" placeholder=\"cat photo URL\" required>",
" <button type=\"submit\">Submit</button>",
" </form>",
"</main>"
],
"head": [],
"tail": []
}
}
},
{
"id": "bad87fee1348bd9acdf08812",
"title": "Size Your Images",
"description": [
"CSS has a property called <code>width</code> that controls an element's width. Just like with fonts, we'll use <code>px</code> (pixels) to specify the image's width.",
"For example, if we wanted to create a CSS class called <code>larger-image</code> that gave HTML elements a width of 500 pixels, we'd use:",
"<blockquote><style><br> .larger-image {<br> width: 500px;<br> }<br></style></blockquote>",
"<hr>",
"Create a class called <code>smaller-image</code> and use it to resize the image so that it's only 100 pixels wide.",
"<strong>Note</strong><br>Due to browser implementation differences, you may need to be at 100% zoom to pass the tests on this challenge."
],
"tests": [
{
"text": "Your <code>img</code> element should have the class <code>smaller-image</code>.",
"testString": "assert($(\"img[src='https://bit.ly/fcc-relaxing-cat']\").attr('class') === \"smaller-image\", 'Your <code>img</code> element should have the class <code>smaller-image</code>.');"
},
{
"text": "Your image should be 100 pixels wide. Browser zoom should be at 100%.",
"testString": "assert($(\"img\").width() === 100, 'Your image should be 100 pixels wide. Browser zoom should be at 100%.');"
}
],
"challengeType": 0,
"files": {
"indexhtml": {
"key": "indexhtml",
"ext": "html",
"name": "index",
"contents": [
"<link href=\"https://fonts.googleapis.com/css?family=Lobster\" rel=\"stylesheet\" type=\"text/css\">",
"<style>",
" .red-text {",
" color: red;",
" }",
"",
" h2 {",
" font-family: Lobster, monospace;",
" }",
"",
" p {",
" font-size: 16px;",
" font-family: monospace;",
" }",
"</style>",
"",
"<h2 class=\"red-text\">CatPhotoApp</h2>",
"<main>",
" <p class=\"red-text\">Click here to view more <a href=\"#\">cat photos</a>.</p>",
" ",
" <a href=\"#\"><img src=\"https://bit.ly/fcc-relaxing-cat\" alt=\"A cute orange cat lying on its back.\"></a>",
" ",
" <div>",
" <p>Things cats love:</p>",
" <ul>",
" <li>cat nip</li>",
" <li>laser pointers</li>",
" <li>lasagna</li>",
" </ul>",
" <p>Top 3 things cats hate:</p>",
" <ol>",
" <li>flea treatment</li>",
" <li>thunder</li>",
" <li>other cats</li>",
" </ol>",
" </div>",
" ",
" <form action=\"/submit-cat-photo\">",
" <label><input type=\"radio\" name=\"indoor-outdoor\" checked> Indoor</label>",
" <label><input type=\"radio\" name=\"indoor-outdoor\"> Outdoor</label><br>",
" <label><input type=\"checkbox\" name=\"personality\" checked> Loving</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Lazy</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Energetic</label><br>",
" <input type=\"text\" placeholder=\"cat photo URL\" required>",
" <button type=\"submit\">Submit</button>",
" </form>",
"</main>"
],
"head": [],
"tail": []
}
}
},
{
"id": "bad87fee1348bd9bedf08813",
"title": "Add Borders Around Your Elements",
"description": [
"CSS borders have properties like <code>style</code>, <code>color</code> and <code>width</code>",
"For example, if we wanted to create a red, 5 pixel border around an HTML element, we could use this class:",
"<blockquote><style><br> .thin-red-border {<br> border-color: red;<br> border-width: 5px;<br> border-style: solid;<br> }<br></style></blockquote>",
"<hr>",
"Create a class called <code>thick-green-border</code>. This class should add a 10px, solid, green border around an HTML element. Apply the class to your cat photo.",
"Remember that you can apply multiple classes to an element using its <code>class</code> attribute, by separating each class name with a space. For example:",
"<code><img class=\"class1 class2\"></code>"
],
"tests": [
{
"text": "Your <code>img</code> element should have the class <code>smaller-image</code>.",
"testString": "assert($(\"img\").hasClass(\"smaller-image\"), 'Your <code>img</code> element should have the class <code>smaller-image</code>.');"
},
{
"text": "Your <code>img</code> element should have the class <code>thick-green-border</code>.",
"testString": "assert($(\"img\").hasClass(\"thick-green-border\"), 'Your <code>img</code> element should have the class <code>thick-green-border</code>.');"
},
{
"text": "Give your image a border width of <code>10px</code>.",
"testString": "assert($(\"img\").hasClass(\"thick-green-border\") && parseInt($(\"img\").css(\"border-top-width\"), 10) >= 8 && parseInt($(\"img\").css(\"border-top-width\"), 10) <= 12, 'Give your image a border width of <code>10px</code>.');"
},
{
"text": "Give your image a border style of <code>solid</code>.",
"testString": "assert($(\"img\").css(\"border-right-style\") === \"solid\", 'Give your image a border style of <code>solid</code>.');"
},
{
"text": "The border around your <code>img</code> element should be green.",
"testString": "assert($(\"img\").css(\"border-left-color\") === \"rgb(0, 128, 0)\", 'The border around your <code>img</code> element should be green.');"
}
],
"challengeType": 0,
"guideUrl": "https://guide.freecodecamp.org/certificates/add-borders-around-your-elements",
"files": {
"indexhtml": {
"key": "indexhtml",
"ext": "html",
"name": "index",
"contents": [
"<link href=\"https://fonts.googleapis.com/css?family=Lobster\" rel=\"stylesheet\" type=\"text/css\">",
"<style>",
" .red-text {",
" color: red;",
" }",
"",
" h2 {",
" font-family: Lobster, monospace;",
" }",
"",
" p {",
" font-size: 16px;",
" font-family: monospace;",
" }",
"",
" .smaller-image {",
" width: 100px;",
" }",
"</style>",
"",
"<h2 class=\"red-text\">CatPhotoApp</h2>",
"<main>",
" <p class=\"red-text\">Click here to view more <a href=\"#\">cat photos</a>.</p>",
" ",
" <a href=\"#\"><img class=\"smaller-image\" src=\"https://bit.ly/fcc-relaxing-cat\" alt=\"A cute orange cat lying on its back.\"></a>",
" ",
" <div>",
" <p>Things cats love:</p>",
" <ul>",
" <li>cat nip</li>",
" <li>laser pointers</li>",
" <li>lasagna</li>",
" </ul>",
" <p>Top 3 things cats hate:</p>",
" <ol>",
" <li>flea treatment</li>",
" <li>thunder</li>",
" <li>other cats</li>",
" </ol>",
" </div>",
" ",
" <form action=\"/submit-cat-photo\">",
" <label><input type=\"radio\" name=\"indoor-outdoor\" checked> Indoor</label>",
" <label><input type=\"radio\" name=\"indoor-outdoor\"> Outdoor</label><br>",
" <label><input type=\"checkbox\" name=\"personality\" checked> Loving</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Lazy</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Energetic</label><br>",
" <input type=\"text\" placeholder=\"cat photo URL\" required>",
" <button type=\"submit\">Submit</button>",
" </form>",
"</main>"
],
"head": [],
"tail": []
}
}
},
{
"id": "bad87fee1348bd9aedf08814",
"title": "Add Rounded Corners with border-radius",
"description": [
"Your cat photo currently has sharp corners. We can round out those corners with a CSS property called <code>border-radius</code>.",
"<hr>",
"You can specify a <code>border-radius</code> with pixels. Give your cat photo a <code>border-radius</code> of <code>10px</code>.",
"Note: this challenge allows for multiple possible solutions. For example, you may add <code>border-radius</code> to either the <code>.thick-green-border</code> class or the <code>.smaller-image</code> class."
],
"tests": [
{
"text": "Your image element should have the class \"thick-green-border\".",
"testString": "assert($(\"img\").hasClass(\"thick-green-border\"), 'Your image element should have the class \"thick-green-border\".');"
},
{
"text": "Your image should have a border radius of <code>10px</code>",
"testString": "assert(parseInt($(\"img\").css(\"border-top-left-radius\")) > 8, 'Your image should have a border radius of <code>10px</code>');"
}
],
"challengeType": 0,
"guideUrl": "https://guide.freecodecamp.org/certificates/add-rounded-corners-a-border-radius",
"files": {
"indexhtml": {
"key": "indexhtml",
"ext": "html",
"name": "index",
"contents": [
"<link href=\"https://fonts.googleapis.com/css?family=Lobster\" rel=\"stylesheet\" type=\"text/css\">",
"<style>",
" .red-text {",
" color: red;",
" }",
"",
" h2 {",
" font-family: Lobster, monospace;",
" }",
"",
" p {",
" font-size: 16px;",
" font-family: monospace;",
" }",
"",
" .thick-green-border {",
" border-color: green;",
" border-width: 10px;",
" border-style: solid;",
" }",
"",
" .smaller-image {",
" width: 100px;",
" }",
"</style>",
"",
"<h2 class=\"red-text\">CatPhotoApp</h2>",
"<main>",
" <p class=\"red-text\">Click here to view more <a href=\"#\">cat photos</a>.</p>",
" ",
" <a href=\"#\"><img class=\"smaller-image thick-green-border\" src=\"https://bit.ly/fcc-relaxing-cat\" alt=\"A cute orange cat lying on its back.\"></a>",
" ",
" <div>",
" <p>Things cats love:</p>",
" <ul>",
" <li>cat nip</li>",
" <li>laser pointers</li>",
" <li>lasagna</li>",
" </ul>",
" <p>Top 3 things cats hate:</p>",
" <ol>",
" <li>flea treatment</li>",
" <li>thunder</li>",
" <li>other cats</li>",
" </ol>",
" </div>",
" ",
" <form action=\"/submit-cat-photo\">",
" <label><input type=\"radio\" name=\"indoor-outdoor\" checked> Indoor</label>",
" <label><input type=\"radio\" name=\"indoor-outdoor\"> Outdoor</label><br>",
" <label><input type=\"checkbox\" name=\"personality\" checked> Loving</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Lazy</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Energetic</label><br>",
" <input type=\"text\" placeholder=\"cat photo URL\" required>",
" <button type=\"submit\">Submit</button>",
" </form>",
"</main>"
],
"head": [],
"tail": []
}
}
},
{
"id": "bad87fee1348bd9aedf08815",
"title": "Make Circular Images with a border-radius",
"description": [
"In addition to pixels, you can also specify the <code>border-radius</code> using a percentage.",
"<hr>",
"Give your cat photo a <code>border-radius</code> of <code>50%</code>."
],
"tests": [
{
"text": "Your image should have a border radius of <code>50%</code>, making it perfectly circular.",
"testString": "assert(parseInt($(\"img\").css(\"border-top-left-radius\")) > 48, 'Your image should have a border radius of <code>50%</code>, making it perfectly circular.');"
},
{
"text": "Be sure to use a percentage value of <code>50%</code>.",
"testString": "assert(code.match(/50%/g), 'Be sure to use a percentage value of <code>50%</code>.');"
}
],
"challengeType": 0,
"files": {
"indexhtml": {
"key": "indexhtml",
"ext": "html",
"name": "index",
"contents": [
"<link href=\"https://fonts.googleapis.com/css?family=Lobster\" rel=\"stylesheet\" type=\"text/css\">",
"<style>",
" .red-text {",
" color: red;",
" }",
"",
" h2 {",
" font-family: Lobster, monospace;",
" }",
"",
" p {",
" font-size: 16px;",
" font-family: monospace;",
" }",
"",
" .thick-green-border {",
" border-color: green;",
" border-width: 10px;",
" border-style: solid;",
" border-radius: 10px;",
" }",
"",
" .smaller-image {",
" width: 100px;",
" }",
"</style>",
"",
"<h2 class=\"red-text\">CatPhotoApp</h2>",
"<main>",
" <p class=\"red-text\">Click here to view more <a href=\"#\">cat photos</a>.</p>",
" ",
" <a href=\"#\"><img class=\"smaller-image thick-green-border\" src=\"https://bit.ly/fcc-relaxing-cat\" alt=\"A cute orange cat lying on its back.\"></a>",
" ",
" <div>",
" <p>Things cats love:</p>",
" <ul>",
" <li>cat nip</li>",
" <li>laser pointers</li>",
" <li>lasagna</li>",
" </ul>",
" <p>Top 3 things cats hate:</p>",
" <ol>",
" <li>flea treatment</li>",
" <li>thunder</li>",
" <li>other cats</li>",
" </ol>",
" </div>",
" ",
" <form action=\"/submit-cat-photo\">",
" <label><input type=\"radio\" name=\"indoor-outdoor\" checked> Indoor</label>",
" <label><input type=\"radio\" name=\"indoor-outdoor\"> Outdoor</label><br>",
" <label><input type=\"checkbox\" name=\"personality\" checked> Loving</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Lazy</label>",
" <label><input type=\"checkbox\" name=\"personality\"> Energetic</label><br>",
" <input type=\"text\" placeholder=\"cat photo URL\" required>",
" <button type=\"submit\">Submit</button>",
" </form>",
"</main>"
],
"head": [],
"tail": []
}
}
},
{
"id": "bad87fed1348bd9aede07836",
"title": "Give a Background Color to a div Element",
"description": [
"You can set an element's background color with the <code>background-color</code> property.",
"For example, if you wanted an element's background color to be <code>green</code>, you'd put this within your <code>style</code> element:",
"<blockquote>.green-background {<br> background-color: green;<br>}</blockquote>",
"<hr>",
"Create a class called <code>silver-background</code> with the <code>background-color</code> of silver. Assign this class to your <code>div</code> element."
],
"tests": [
{
"text": "Give your <code>div</code> element the class <code>silver-background</code>.",
"testString": "assert($(\"div\").hasClass(\"silver-background\"), 'Give your <code>div</code> element the class <code>silver-background</code>.');"
},