aech.css

/**
 * Variable definitions
 */
:root {
  /* Strokes, light backgrounds, and so on */
  --color-wash: #f4f4f4;
  /* Light text, low-importance elements, and so on */
  --color-light: #9393a8;
  /* Buttons and other interface elements you want to highlight */
  --color-accent: #8049ff;
  /* Body text */
  --color-dark: #282851;
  /* Interface text */
  --color-black: #101020;

  /* Margin, padding, or anything else that needs a size */
  --xxl: 60px;
  --xl: 40px;
  --l: 30px;
  --m: 20px;
  --s: 15px;
  --xs: 10px;
  --xxs: 5px;

  /* I usually use sans for interface elements and serif for body text */
  --font-family-sans: Inter, system-ui, -apple-system, BlinkMacSystemFont,
    Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans,
    Helvetica Neue, sans-serif;
  --font-family-serif: Source Serif Pro, Iowan Old Style, Apple Garamond,
    Baskerville, Times New Roman, Droid Serif, Times, Source Serif Pro, serif,
    Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol;

  /* I usually stick to at most three font weights, since loading fonts is expensive */
  --font-weight-thin: 400;
  --font-weight-light: 400;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Headings and large text */
  --line-height-tight: 1.25;
  /* Everything else */
  --line-height-normal: 1.5;

  /* Titles */
  --font-size-xxl: 36px;
  /* Headings */
  --font-size-xl: 30px;
  /* Subheadings */
  --font-size-l: 24px;
  /* Body text, especially text in serif */
  --font-size-m: 20px;
  /* Default for all interface elements */
  --font-size-s: 18px;
  /* Buttons, navbar links, footer content, and so on */
  --font-size-xs: 16px;
  /* Breadcrumbs, tags, and smallcaps */
  --font-size-xxs: 14px;
}

/**
 * Resets
 */

::placeholder {
  color: var(--color-light);
  opacity: 1;
}

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

ul {
  list-style: none;
}

ol {
  padding-left: 1.5em;
}

/* Responsive media */
img,
video {
  height: auto;
  max-width: 100%;
}

/**
 * Base styles
 */
html,
body {
  font-size: var(--font-size-s);
  font-family: var(--font-family-sans);
  font-weight: var(--weight-normal);
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: var(--line-height-normal);
  color: var(--color-black);
}

main {
  padding: var(--xl) 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: var(--m) 0 var(--xs);

  font-family: var(--font-family-sans);
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
}

h1 {
  font-size: var(--font-size-xxl);
}

h2 {
  font-size: var(--font-size-xl);
}

h3,
h4,
h5,
h6 {
  font-size: var(--font-size-l);
}

a {
  color: inherit;
  text-decoration: none;
}

hr {
  margin: var(--xs) 0;

  border: 0;
  border-top: 1px solid #f4f4f4;
}

blockquote {
  padding: 0 0 0 var(--m);
  margin: var(--m) 0 var(--m) var(--xs);

  border-left: 5px solid var(--color-accent);
}

table {
  width: 100%;

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

td,
th {
  padding: 0;
}

input[type="email"],
input[type="password"],
input[type="text"],
textarea {
  padding: var(--s) var(--m);
  width: 100%;

  color: var(--color-black);
  border: 1px solid var(--color-wash);
  border-radius: 4px;
}

input[type="email"]:focus,
input[type="password"]:focus,
input[type="text"]:focus,
textarea:focus {
  border-color: var(--color-accent);
}

.button,
button,
input,
textarea {
  padding: 0;

  resize: none;
  background: transparent;
  border: 0;
  outline: 0;
  font-family: var(--font-family-sans);
  font-size: var(--font-size-xs);
  line-height: inherit;
  color: inherit;
}

.button,
button,
input[type="submit"] {
  display: inline-flex;
  align-items: center;

  cursor: pointer;
  font-weight: var(--font-weight-medium);
}

input[type="submit"] {
  margin-top: var(--l);
}

/**
 * Components
 */
/* Buttons */
.button--primary,
.button--secondary {
  padding: var(--s) var(--xl);

  border-radius: 4px;
}

.button--primary {
  background: var(--color-accent);
  color: #fff;
}

.button--secondary {
  border: 1px solid var(--color-wash);
}

/* Wrapper (wide) and container (narrow) */
.l-wrapper {
  max-width: 1300px;
  margin: 0 auto;
}

.l-container {
  max-width: 650px;
  margin: 0 auto;
}

/* Navbar */
.l-navbar {
  padding: var(--m) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;

  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-light);
  border-bottom: 1px solid var(--color-wash);
}

.l-navbar__logo {
  height: 48px;
  width: 48px;
  margin-right: var(--s);

  border-radius: 4px;
}

.l-navbar__brand {
  display: flex;
  align-items: center;
}

@media screen and (max-width: 650px) {
  .l-navbar__info {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
}

.l-navbar__expand {
  display: none;
}

.l-navbar__expand > div {
  height: 3px;
  width: 24px;
  margin-bottom: var(--xxs);

  background: var(--color-light);
}

.l-navbar__expand > div:last-child {
  margin-bottom: 0;
}

.l-navbar__links ul {
  display: flex;
}

.l-navbar__links li {
  margin-left: var(--m);
}

@media screen and (max-width: 650px) {
  .l-navbar {
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    position: relative;
  }

  .l-navbar__expand {
    display: block;
  }

  .l-navbar__links:not(.is-active) {
    display: none;
  }

  .l-navbar__links.is-active {
    display: block;
    position: absolute;
    top: 100%;
    width: 100%;
    padding: var(--m);

    border-radius: 8px;
    background: #fff;
    box-shadow: 0 0 15px -10px rgba(0, 0, 0, 0.5);
  }

  .l-navbar__links ul {
    flex-direction: column;
  }

  .l-navbar__links li {
    margin: calc(var(--xs) / 2) 0;
  }
}

.l-navbar__title {
  color: var(--color-black);
}

.l-navbar__brand:hover .l-navbar__title {
  color: var(--color-light);
}

.l-navbar a:hover {
  color: var(--color-black);
}

/* Page header */
.l-header {
  padding: var(--xl) 0;

  border-bottom: 1px solid var(--color-wash);
}

.l-header h1 {
  margin: 0 0 var(--xs) 0;
}

.l-header__logo {
  margin: 0 0 var(--m) 0;
  width: 128px;
  height: 128px;

  border-radius: 8px;
  box-shadow: 0 0 15px -5px rgba(0, 0, 0, 0.5);
}

.l-header__description {
  color: var(--color-light);
}

.l-header__action {
  margin: var(--m) 0 0 0;
}

/* Page footer */
.l-footer {
  padding: var(--xl) 0;

  font-size: var(--font-size-xs);
  border-top: 1px solid var(--color-wash);
  color: var(--color-light);
}

.l-footer__title {
  color: var(--color-black);
  font-weight: var(--font-weight-medium);
}

.l-footer__links {
  margin: var(--m) 0;
}

.l-footer__links li {
  margin: var(--xxs) 0;
}