normalize.scss

// =============================================================================
// HTML5 display definitions
// =============================================================================

// Corrects block display not defined in IE6/7/8/9 & FF3

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
nav,
section {
    display: block;
}

// Corrects inline-block display not defined in IE6/7/8/9 & FF3

audio,
canvas,
video {
    display: inline-block;
    *display: inline;
    *zoom: 1;
}

// Prevents modern browsers from displaying 'audio' without controls

audio:not([controls]) {
    display: none;
}

// Addresses styling for 'hidden' attribute not present in IE7/8/9, FF3, S4
// Known issue: no IE6 support

[hidden] {
    display: none;
}

// =============================================================================
// Base
// =============================================================================

// 1. Corrects text resizing oddly in IE6/7 when body font-size is set using em units
//    http://clagnut.com/blog/348/#c790
// 2. Prevents iOS text size adjust after orientation change, without disabling user zoom
//    www.456bereastreet.com/archive/201012/controlling_text_size_in_safari_for_ios_without_disabling_user_zoom/

html {
    font-size: 100%; // 1
    -webkit-text-size-adjust: 100%; // 2
    -ms-text-size-adjust: 100%; // 2
}

// Addresses font-family inconsistency between 'textarea' and other form elements.

html,
button,
input,
select,
textarea {
    font-family: sans-serif;
}

// Addresses margins handled incorrectly in IE6/7

body {
    margin: 0;
}

// =============================================================================
// Links
// =============================================================================

// 1. Addresses outline displayed oddly in Chrome
// 2. Improves readability when focused and also mouse hovered in all browsers
//    people.opera.com/patrickl/experiments/keyboard/test

a {

    // 1

    &:focus {
        outline: thin dotted;
    }

    // 2

    &:hover,
    &:active {
        outline: 0;
    }
}

// =============================================================================
// Typography
// =============================================================================

// Addresses font sizes and margins set differently in IE6/7
// Addresses font sizes within 'section' and 'article' in FF4+, Chrome, S5

h1 {
    font-size: 2em;
    margin: 0.67em 0;
}

h2 {
    font-size: 1.5em;
    margin: 0.83em 0;
}

h3 {
    font-size: 1.17em;
    margin: 1em 0;
}

h4 {
    font-size: 1em;
    margin: 1.33em 0;
}

h5 {
    font-size: 0.83em;
    margin: 1.67em 0;
}

h6 {
    font-size: 0.75em;
    margin: 2.33em 0;    
}

// Addresses styling not present in IE7/8/9, S5, Chrome

abbr[title] {
    border-bottom: 1px dotted;
}

// Addresses style set to 'bolder' in FF3+, S4/5, Chrome

b, 
strong { 
    font-weight: bold; 
}

blockquote {
    margin: 1em 40px;
}

// Addresses styling not present in S5, Chrome

dfn {
    font-style: italic;
}

// Addresses styling not present in IE6/7/8/9

mark {
    background: #ff0;
    color: #000;
}

// Addresses margins set differently in IE6/7

p,
pre {
    margin: 1em 0;
}

// Corrects font family set oddly in IE6, S4/5, Chrome
// en.wikipedia.org/wiki/User:Davidgothberg/Test59

pre,
code,
kbd,
samp {
    font-family: monospace, serif;
    _font-family: 'courier new', monospace;
    font-size: 1em;
}

// Improves readability of pre-formatted text in all browsers

pre {
    white-space: pre;
    white-space: pre-wrap;
    word-wrap: break-word;
}

// 1. Addresses CSS quotes not supported in IE6/7
// 2. Addresses quote property not supported in S4

// 1

q {
    quotes: none;
}

// 2

q:before,
q:after {
    content: '';
    content: none;
}

small {
    font-size: 75%;
}

// Prevents sub and sup affecting line-height in all browsers
// gist.github.com/413930

sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

sup {
    top: -0.5em;
}

sub {
    bottom: -0.25em;
}

// =============================================================================
// Lists
// =============================================================================

// Addresses margins set differently in IE6/7

dl,
menu,
ol,
ul {
    margin: 1em 0;
}

dd {
    margin: 0 0 0 40px;
}

// Addresses paddings set differently in IE6/7

menu,
ol,
ul {
    padding: 0 0 0 40px;
}

// Corrects list images handled incorrectly in IE7

nav {
    ul,
    ol {
        list-style: none;
        list-style-image: none;
    }
}

// =============================================================================
// Embedded content
// =============================================================================

// 1. Removes border when inside 'a' element in IE6/7/8/9, FF3
// 2. Improves image quality when scaled in IE7
//    code.flickr.com/blog/2008/11/12/on-ui-quality-the-little-things-client-side-image-resizing/

img {
    border: 0; // 1
    -ms-interpolation-mode: bicubic; // 2
}

// Corrects overflow displayed oddly in IE9

svg:not(:root) {
    overflow: hidden;
}

// =============================================================================
// Figures
// =============================================================================

// Addresses margin not present in IE6/7/8/9, S5, O11

figure {
    margin: 0;
}

// =============================================================================
// Forms
// =============================================================================

// Corrects margin displayed oddly in IE6/7

form {
    margin: 0;
}

// Define consistent border, margin, and padding

fieldset {
    border: 1px solid #c0c0c0;
    margin: 0 2px;
    padding: 0.35em 0.625em 0.75em;
}

// 1. Corrects color not being inherited in IE6/7/8/9
// 2. Corrects text not wrapping in FF3 
// 3. Corrects alignment displayed oddly in IE6/7

legend {
    border: 0; // 1
    padding: 0;
    white-space: normal; // 2
    *margin-left: -7px; // 3
}

// 1. Corrects font size not being inherited in all browsers
// 2. Addresses margins set differently in IE6/7, FF3+, S5, Chrome
// 3. Improves appearance and consistency in all browsers

button,
input,
select,
textarea {
    font-size: 100%; // 1
    margin: 0; // 2
    vertical-align: baseline; // 3
    *vertical-align: middle; // 3
}

// Addresses FF3/4 setting line-height on 'input' using !important in the UA stylesheet

button,
input {
    line-height: normal; // 1
}

// 1. Improves usability and consistency of cursor style between image-type 'input' and others
// 2. Corrects inability to style clickable 'input' types in iOS
// 3. Removes inner spacing in IE7 without affecting normal text inputs
//    Known issue: inner spacing remains in IE6

button,
input[type="button"], 
input[type="reset"], 
input[type="submit"] {
    cursor: pointer; // 1
    -webkit-appearance: button; // 2
    *overflow: visible;  // 3
}

// Re-set default cursor for disabled elements

button[disabled],
input[disabled] {
    cursor: default;
}

// 1. Addresses box sizing set to content-box in IE8/9
// 2. Removes excess padding in IE8/9
// 3. Removes excess padding in IE7
//    Known issue: excess padding remains in IE6

input[type="checkbox"],
input[type="radio"] {
    box-sizing: border-box; // 1
    padding: 0; // 2
    *height: 13px; // 3
    *width: 13px; // 3
}

// 1. Addresses appearance set to searchfield in S5, Chrome
// 2. Addresses box-sizing set to border-box in S5, Chrome (include -moz to future-proof)
// 3. Removes inner padding and search cancel button in S5, Chrome on OS X

input[type="search"] {
    -webkit-appearance: textfield; // 1
    -moz-box-sizing: content-box;
    -webkit-box-sizing: content-box; // 2
    box-sizing: content-box;
    &::-webkit-search-decoration, &::-webkit-search-cancel-button { // 3
        -webkit-appearance: none;
    }
}

// Removes inner padding and border in FF3+
// www.sitepen.com/blog/2008/05/14/the-devils-in-the-details-fixing-dojos-toolbar-buttons/

button::-moz-focus-inner,
input::-moz-focus-inner {
    border: 0;
    padding: 0;
}

// 1. Removes default vertical scrollbar in IE6/7/8/9
// 2. Improves readability and alignment in all browsers

textarea {
    overflow: auto; // 1
    vertical-align: top; // 2
}

// =============================================================================
// Tables
// =============================================================================
 
// Remove most spacing between table cells

table {
    border-collapse: collapse;
    border-spacing: 0;
}