484 lines
11 KiB
SCSS
484 lines
11 KiB
SCSS
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// stylelint-disable at-rule-no-vendor-prefix, declaration-no-important, selector-no-qualifying-type, property-no-vendor-prefix
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// Reboot
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//
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// Normalization of HTML elements, manually forked from Normalize.css to remove
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// styles targeting irrelevant browsers while applying new styles.
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//
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// Normalize is licensed MIT. https://github.com/necolas/normalize.css
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// Document
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//
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// 1. Change from `box-sizing: content-box` so that `width` is not affected by `padding` or `border`.
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// 2. Change the default font family in all browsers.
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// 3. Correct the line height in all browsers.
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// 4. Prevent adjustments of font size after orientation changes in IE on Windows Phone and in iOS.
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// 5. Change the default tap highlight to be completely transparent in iOS.
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*,
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*::before,
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*::after {
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box-sizing: border-box; // 1
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}
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html {
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font-family: sans-serif; // 2
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line-height: 1.15; // 3
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-webkit-text-size-adjust: 100%; // 4
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-webkit-tap-highlight-color: rgba($black, 0); // 5
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}
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// Shim for "new" HTML5 structural elements to display correctly (IE10, older browsers)
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// TODO: remove in v5
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// stylelint-disable-next-line selector-list-comma-newline-after
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article, aside, figcaption, figure, footer, header, hgroup, main, nav, section {
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display: block;
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}
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// Body
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//
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// 1. Remove the margin in all browsers.
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// 2. As a best practice, apply a default `background-color`.
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// 3. Set an explicit initial text-align value so that we can later use
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// the `inherit` value on things like `<th>` elements.
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body {
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margin: 0; // 1
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font-family: $font-family-base;
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@include font-size($font-size-base);
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font-weight: $font-weight-base;
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line-height: $line-height-base;
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color: $body-color;
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text-align: left; // 3
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background-color: $body-bg; // 2
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}
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// Suppress the focus outline on elements that cannot be accessed via keyboard.
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// This prevents an unwanted focus outline from appearing around elements that
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// might still respond to pointer events.
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//
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// Credit: https://github.com/suitcss/base
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[tabindex="-1"]:focus {
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outline: 0 !important;
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}
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// Content grouping
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//
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// 1. Add the correct box sizing in Firefox.
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// 2. Show the overflow in Edge and IE.
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hr {
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box-sizing: content-box; // 1
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height: 0; // 1
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overflow: visible; // 2
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}
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//
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// Typography
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//
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// Remove top margins from headings
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//
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// By default, `<h1>`-`<h6>` all receive top and bottom margins. We nuke the top
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// margin for easier control within type scales as it avoids margin collapsing.
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// stylelint-disable-next-line selector-list-comma-newline-after
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h1, h2, h3, h4, h5, h6 {
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margin-top: 0;
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margin-bottom: $headings-margin-bottom;
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}
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// Reset margins on paragraphs
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//
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// Similarly, the top margin on `<p>`s get reset. However, we also reset the
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// bottom margin to use `rem` units instead of `em`.
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p {
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margin-top: 0;
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margin-bottom: $paragraph-margin-bottom;
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}
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// Abbreviations
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//
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// 1. Duplicate behavior to the data-* attribute for our tooltip plugin
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// 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
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// 3. Add explicit cursor to indicate changed behavior.
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// 4. Remove the bottom border in Firefox 39-.
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// 5. Prevent the text-decoration to be skipped.
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abbr[title],
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abbr[data-original-title] { // 1
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text-decoration: underline; // 2
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text-decoration: underline dotted; // 2
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cursor: help; // 3
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border-bottom: 0; // 4
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text-decoration-skip-ink: none; // 5
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}
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address {
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margin-bottom: 1rem;
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font-style: normal;
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line-height: inherit;
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}
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ol,
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ul,
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dl {
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margin-top: 0;
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margin-bottom: 1rem;
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}
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ol ol,
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ul ul,
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ol ul,
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ul ol {
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margin-bottom: 0;
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}
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dt {
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font-weight: $dt-font-weight;
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}
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dd {
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margin-bottom: .5rem;
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margin-left: 0; // Undo browser default
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}
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blockquote {
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margin: 0 0 1rem;
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}
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b,
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strong {
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font-weight: $font-weight-bolder; // Add the correct font weight in Chrome, Edge, and Safari
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}
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small {
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@include font-size(80%); // Add the correct font size in all browsers
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}
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//
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// Prevent `sub` and `sup` elements from affecting the line height in
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// all browsers.
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//
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sub,
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sup {
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position: relative;
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@include font-size(75%);
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line-height: 0;
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vertical-align: baseline;
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}
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sub { bottom: -.25em; }
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sup { top: -.5em; }
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//
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// Links
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//
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a {
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color: $link-color;
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text-decoration: $link-decoration;
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background-color: transparent; // Remove the gray background on active links in IE 10.
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@include hover {
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color: $link-hover-color;
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text-decoration: $link-hover-decoration;
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}
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}
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// And undo these styles for placeholder links/named anchors (without href)
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// which have not been made explicitly keyboard-focusable (without tabindex).
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// It would be more straightforward to just use a[href] in previous block, but that
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// causes specificity issues in many other styles that are too complex to fix.
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// See https://github.com/twbs/bootstrap/issues/19402
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a:not([href]):not([tabindex]) {
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color: inherit;
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text-decoration: none;
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@include hover-focus {
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color: inherit;
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text-decoration: none;
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}
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&:focus {
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outline: 0;
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}
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}
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//
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// Code
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//
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pre,
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code,
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kbd,
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samp {
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font-family: $font-family-monospace;
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@include font-size(1em); // Correct the odd `em` font sizing in all browsers.
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}
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pre {
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// Remove browser default top margin
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margin-top: 0;
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// Reset browser default of `1em` to use `rem`s
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margin-bottom: 1rem;
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// Don't allow content to break outside
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overflow: auto;
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}
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//
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// Figures
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//
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figure {
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// Apply a consistent margin strategy (matches our type styles).
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margin: 0 0 1rem;
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}
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//
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// Images and content
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//
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img {
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vertical-align: middle;
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border-style: none; // Remove the border on images inside links in IE 10-.
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}
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svg {
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// Workaround for the SVG overflow bug in IE10/11 is still required.
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// See https://github.com/twbs/bootstrap/issues/26878
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overflow: hidden;
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vertical-align: middle;
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}
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//
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// Tables
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//
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table {
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border-collapse: collapse; // Prevent double borders
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}
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caption {
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padding-top: $table-cell-padding;
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padding-bottom: $table-cell-padding;
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color: $table-caption-color;
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text-align: left;
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caption-side: bottom;
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}
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th {
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// Matches default `<td>` alignment by inheriting from the `<body>`, or the
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// closest parent with a set `text-align`.
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text-align: inherit;
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}
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//
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// Forms
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//
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label {
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// Allow labels to use `margin` for spacing.
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display: inline-block;
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margin-bottom: $label-margin-bottom;
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}
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// Remove the default `border-radius` that macOS Chrome adds.
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//
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// Details at https://github.com/twbs/bootstrap/issues/24093
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button {
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// stylelint-disable-next-line property-blacklist
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border-radius: 0;
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}
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// Work around a Firefox/IE bug where the transparent `button` background
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// results in a loss of the default `button` focus styles.
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//
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// Credit: https://github.com/suitcss/base/
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button:focus {
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outline: 1px dotted;
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outline: 5px auto -webkit-focus-ring-color;
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}
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input,
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button,
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select,
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optgroup,
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textarea {
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margin: 0; // Remove the margin in Firefox and Safari
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font-family: inherit;
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@include font-size(inherit);
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line-height: inherit;
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}
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button,
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input {
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overflow: visible; // Show the overflow in Edge
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}
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button,
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select {
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text-transform: none; // Remove the inheritance of text transform in Firefox
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}
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// Remove the inheritance of word-wrap in Safari.
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//
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// Details at https://github.com/twbs/bootstrap/issues/24990
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select {
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word-wrap: normal;
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}
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// 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
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// controls in Android 4.
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// 2. Correct the inability to style clickable types in iOS and Safari.
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button,
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[type="button"], // 1
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[type="reset"],
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[type="submit"] {
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-webkit-appearance: button; // 2
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}
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// Opinionated: add "hand" cursor to non-disabled button elements.
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@if $enable-pointer-cursor-for-buttons {
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button,
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[type="button"],
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[type="reset"],
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[type="submit"] {
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&:not(:disabled) {
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cursor: pointer;
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}
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}
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}
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// Remove inner border and padding from Firefox, but don't restore the outline like Normalize.
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button::-moz-focus-inner,
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[type="button"]::-moz-focus-inner,
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[type="reset"]::-moz-focus-inner,
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[type="submit"]::-moz-focus-inner {
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padding: 0;
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border-style: none;
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}
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input[type="radio"],
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input[type="checkbox"] {
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box-sizing: border-box; // 1. Add the correct box sizing in IE 10-
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padding: 0; // 2. Remove the padding in IE 10-
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}
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input[type="date"],
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input[type="time"],
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input[type="datetime-local"],
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input[type="month"] {
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// Remove the default appearance of temporal inputs to avoid a Mobile Safari
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// bug where setting a custom line-height prevents text from being vertically
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// centered within the input.
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// See https://bugs.webkit.org/show_bug.cgi?id=139848
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// and https://github.com/twbs/bootstrap/issues/11266
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-webkit-appearance: listbox;
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}
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textarea {
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overflow: auto; // Remove the default vertical scrollbar in IE.
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// Textareas should really only resize vertically so they don't break their (horizontal) containers.
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resize: vertical;
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}
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fieldset {
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// Browsers set a default `min-width: min-content;` on fieldsets,
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// unlike e.g. `<div>`s, which have `min-width: 0;` by default.
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// So we reset that to ensure fieldsets behave more like a standard block element.
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// See https://github.com/twbs/bootstrap/issues/12359
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// and https://html.spec.whatwg.org/multipage/#the-fieldset-and-legend-elements
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min-width: 0;
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// Reset the default outline behavior of fieldsets so they don't affect page layout.
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padding: 0;
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margin: 0;
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border: 0;
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}
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// 1. Correct the text wrapping in Edge and IE.
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// 2. Correct the color inheritance from `fieldset` elements in IE.
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legend {
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display: block;
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width: 100%;
|
||
|
|
max-width: 100%; // 1
|
||
|
|
padding: 0;
|
||
|
|
margin-bottom: .5rem;
|
||
|
|
@include font-size(1.5rem);
|
||
|
|
line-height: inherit;
|
||
|
|
color: inherit; // 2
|
||
|
|
white-space: normal; // 1
|
||
|
|
}
|
||
|
|
|
||
|
|
progress {
|
||
|
|
vertical-align: baseline; // Add the correct vertical alignment in Chrome, Firefox, and Opera.
|
||
|
|
}
|
||
|
|
|
||
|
|
// Correct the cursor style of increment and decrement buttons in Chrome.
|
||
|
|
[type="number"]::-webkit-inner-spin-button,
|
||
|
|
[type="number"]::-webkit-outer-spin-button {
|
||
|
|
height: auto;
|
||
|
|
}
|
||
|
|
|
||
|
|
[type="search"] {
|
||
|
|
// This overrides the extra rounded corners on search inputs in iOS so that our
|
||
|
|
// `.form-control` class can properly style them. Note that this cannot simply
|
||
|
|
// be added to `.form-control` as it's not specific enough. For details, see
|
||
|
|
// https://github.com/twbs/bootstrap/issues/11586.
|
||
|
|
outline-offset: -2px; // 2. Correct the outline style in Safari.
|
||
|
|
-webkit-appearance: none;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Remove the inner padding in Chrome and Safari on macOS.
|
||
|
|
//
|
||
|
|
|
||
|
|
[type="search"]::-webkit-search-decoration {
|
||
|
|
-webkit-appearance: none;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// 1. Correct the inability to style clickable types in iOS and Safari.
|
||
|
|
// 2. Change font properties to `inherit` in Safari.
|
||
|
|
//
|
||
|
|
|
||
|
|
::-webkit-file-upload-button {
|
||
|
|
font: inherit; // 2
|
||
|
|
-webkit-appearance: button; // 1
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Correct element displays
|
||
|
|
//
|
||
|
|
|
||
|
|
output {
|
||
|
|
display: inline-block;
|
||
|
|
}
|
||
|
|
|
||
|
|
summary {
|
||
|
|
display: list-item; // Add the correct display in all browsers
|
||
|
|
cursor: pointer;
|
||
|
|
}
|
||
|
|
|
||
|
|
template {
|
||
|
|
display: none; // Add the correct display in IE
|
||
|
|
}
|
||
|
|
|
||
|
|
// Always hide an element with the `hidden` HTML attribute (from PureCSS).
|
||
|
|
// Needed for proper display in IE 10-.
|
||
|
|
[hidden] {
|
||
|
|
display: none !important;
|
||
|
|
}
|