istio.io/_sass/base/_common.scss

// This is a hack such that when we link to a fragment on a page, the page
// scrolls correctly in relation to the fixed header. Without this hack, the
// page scrolls with the fragment at the top of the page, below the header!
*[id]:before {
      display: block;
      content: ' ';
      margin-top: -3.0em;
      height: 3.0em;
      visibility: hidden;
}

// This is here to undo the effect of the above for table rows. Otherwise,
// table rows with ids don't render properly
tr[id]:before {
    content: normal;
}

html {
    overflow-y: scroll;
    position: relative;
    min-height: 100%;
}

body {
    padding-top: $headerHeight-xs;
    margin-bottom: $footerHeight-xs;
    font-family: "Roboto", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: $textColor;
    background-color: $backgroundColor;

    @media (min-height: $bp-md-v) {
        padding-top: $headerHeight;
    }

    @media (min-width: $bp-sm) {
        margin-bottom: $footerHeight;
    }
}

a {
    color: $linkColor;
    text-decoration: none;
    font-weight: $linkWeight;
}

a:hover, a:focus {
    color: $linkHoverColor;
    text-decoration: underline;
    font-weight: $linkWeight;
}

a.disabled {
    color: $linkDisabledColor;
    text-decoration: none;
    font-weight: $linkWeight;
}

a.active {
    color: $linkActiveColor;
    text-decoration: none;
    font-weight: $linkWeight;
}

table, th, td, tr {
    padding: .5em;
}

table {
    margin-left: 1em;
    margin-right: 1em;
}

table p:first-of-type {
    margin-top: 0
}

table p:last-of-type {
    margin-bottom: 0
}

th {
    color: $textBrandColor;
    background-color: $secondBrandColor;
    font-weight: $tableHeaderWeight;
}

tr.oneof>td {
    border-bottom: 1px dashed $dividerBarColor;
    border-top: 1px dashed $dividerBarColor;
}

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

th, td {
    border-left: 1px solid $boxBorderColor;
    border-top: 1px solid $boxBorderColor;
}

tr:first-child th:first-child {
    border-radius: 4px 0 0 0;
}

tr:first-child td:first-child {
    border-radius: 4px 0 0 0;
}

tr:first-child th:last-child {
    border-radius: 0 4px 0 0;
}

tr:first-child td:last-child {
    border-radius: 0 4px 0 0;
}

tr:last-child td {
    border-bottom: 1px solid $boxBorderColor;
}

tr:last-child td:first-child {
    border-radius: 0 0 0 4px;
}

tr:last-child td:last-child {
    border-radius: 0 0 4px 0;
}

tr th:last-child {
    border-right: 1px solid $boxBorderColor;
}

tr td:last-child {
    border-right: 1px solid $boxBorderColor;
}

thead+tbody tr:first-child td:first-child {
    border-radius: 0;
}

thead+tbody tr:first-child td:last-child {
    border-radius: 0;
}

pre {
    margin: 1em;
    max-height: 31em;
    border: 1px solid $codeBlockBorderColor;
    border-left: 5px solid $codeBlockBorderColor;
    border-radius: 4px;
    box-shadow: 3px 3px 8px $codeBlockShadowColor;

    code {
        display: block;
        padding: .5em;
    }
}

div.highlight {
    position: relative;
}

button.copy {
    font-size: .8em;
    padding: 0 .5em;
    border-radius: .3em;
    background-color: $secondBrandColor;
    cursor: pointer;
    color: $textBrandColor;
    text-decoration: none;
    border: 0;

    position: absolute;
    top: 3px;
    right: 1.3em;
    z-index: 5;
}

button.copy-hide {
    transition: opacity .4s ease-in-out;
    opacity: 0;
}

button.copy-show {
    transition: opacity 1.2s ease-in-out;
    opacity: 1;
}

p {
    font-size: $font-size--xs;
    font-weight: $textWeight;
    line-height: 1.5;
    margin: .25em 0;

    @media (min-width: $bp-md) {
        margin: 1.5em 0;
    }
}

li, dt, dd {
    font-size: $font-size--xs;
    font-weight: $textWeight;
    line-height: 1.5;
    margin: .25em;
}

ol, ul, dl {
    list-style: initial;
    font-size: $font-size--primary;
    font-weight: $textWeight;
    margin: 0 0 0 1.5em;
    padding: 0;
}

li p, dt p, dd p {
    margin: .4em 0;
}

ol {
    list-style: decimal;
}

h1, h2, h3, h4, h5, h6 {
    border: 0;
}

h1 {
    font-size: $font-size--xxl;
    color: $h1Color;
    font-weight: $h1Weight;
    margin: 30px 0;
}

h2 {
    font-size: $font-size--xl;
    color: $h2Color;
    font-weight: $h2Weight;
    margin-bottom: 20px;
    margin-top: 30px;
    padding-bottom: 10px;
    border-bottom: 1px solid $h2UnderlineColor;
}

h3 {
    font-size: $font-size--l;
    color: $h3Color;
    font-weight: $h3Weight;
    letter-spacing: 1px;
    margin-bottom: 20px;
    margin-top: 30px;
}

h4 {
    font-size: $font-size--l;
    color: $h4Color;
    font-weight: $h4Weight;
    margin: 30px 0 20px;

    // Text immediately following h4 should have same level of indention
    + p {
        margin: 10px 0;

        @media (max-width: 768px) {
            margin: 5px 0;
        }
    }
}

h5 {
    font-size: $font-size--s;
    color: $h5Color;
    font-weight: $h5Weight;
}

h6 {
    font-size: .9rem;
    color: $h6Color;
    font-weight: $h6Weight;
}

.header-link {
    position: relative;
    left: 0.5em;
    top: -.1em;
    opacity: 0;
    font-size: 0.6em;
}

h2:hover .header-link,
h3:hover .header-link,
h4:hover .header-link,
h5:hover .header-link,
h6:hover .header-link,
dt:hover .header-link {
    transition: opacity .4s ease-in-out;
    opacity: 1;
}

em {
    font-style: italic;
}

strong {
    font-weight: $boldTextWeight;
}

img {
    width: 100%;
}

blockquote {
    display: block;
    margin: 1em 3em;
    padding-left: 1em;
    padding-right: 1em;
    background-color: $blockQuoteBackgroundColor;
    border-radius: 4px 4px 4px 4px;
}

code {
    color: $textCodeColor;
    font-size: 80%;
    font-weight: $textCodeWeight;
    word-break: normal;
}

.spacer {
    height: .1rem;

    @media (min-width: $bp-md) {
        height: 1rem;
    }
}

.deprecated {
    background: $deprecatedBackgroundColor;
}

.card {
    background-color: $backgroundColor;
    border-color: $dividerBarColor;
}

.card-header {
    border-bottom-color: $dividerBarColor;
}