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Diffstat (limited to 'vendor/twbs/bootstrap/scss/_reboot.scss')
| -rw-r--r-- | vendor/twbs/bootstrap/scss/_reboot.scss | 483 |
1 files changed, 483 insertions, 0 deletions
diff --git a/vendor/twbs/bootstrap/scss/_reboot.scss b/vendor/twbs/bootstrap/scss/_reboot.scss new file mode 100644 index 000000000..f297d095c --- /dev/null +++ b/vendor/twbs/bootstrap/scss/_reboot.scss @@ -0,0 +1,483 @@ +// stylelint-disable at-rule-no-vendor-prefix, declaration-no-important, selector-no-qualifying-type, property-no-vendor-prefix + +// Reboot +// +// Normalization of HTML elements, manually forked from Normalize.css to remove +// styles targeting irrelevant browsers while applying new styles. +// +// Normalize is licensed MIT. https://github.com/necolas/normalize.css + + +// Document +// +// 1. Change from `box-sizing: content-box` so that `width` is not affected by `padding` or `border`. +// 2. Change the default font family in all browsers. +// 3. Correct the line height in all browsers. +// 4. Prevent adjustments of font size after orientation changes in IE on Windows Phone and in iOS. +// 5. Setting @viewport causes scrollbars to overlap content in IE11 and Edge, so +// we force a non-overlapping, non-auto-hiding scrollbar to counteract. +// 6. Change the default tap highlight to be completely transparent in iOS. + +*, +*::before, +*::after { + box-sizing: border-box; // 1 +} + +html { + font-family: sans-serif; // 2 + line-height: 1.15; // 3 + -webkit-text-size-adjust: 100%; // 4 + -ms-text-size-adjust: 100%; // 4 + -ms-overflow-style: scrollbar; // 5 + -webkit-tap-highlight-color: rgba($black, 0); // 6 +} + +// IE10+ doesn't honor `<meta name="viewport">` in some cases. +@at-root { + @-ms-viewport { + width: device-width; + } +} + +// stylelint-disable selector-list-comma-newline-after +// Shim for "new" HTML5 structural elements to display correctly (IE10, older browsers) +article, aside, figcaption, figure, footer, header, hgroup, main, nav, section { + display: block; +} +// stylelint-enable selector-list-comma-newline-after + +// Body +// +// 1. Remove the margin in all browsers. +// 2. As a best practice, apply a default `background-color`. +// 3. Set an explicit initial text-align value so that we can later use the +// the `inherit` value on things like `<th>` elements. + +body { + margin: 0; // 1 + font-family: $font-family-base; + font-size: $font-size-base; + font-weight: $font-weight-base; + line-height: $line-height-base; + color: $body-color; + text-align: left; // 3 + background-color: $body-bg; // 2 +} + +// Suppress the focus outline on elements that cannot be accessed via keyboard. +// This prevents an unwanted focus outline from appearing around elements that +// might still respond to pointer events. +// +// Credit: https://github.com/suitcss/base +[tabindex="-1"]:focus { + outline: 0 !important; +} + + +// Content grouping +// +// 1. Add the correct box sizing in Firefox. +// 2. Show the overflow in Edge and IE. + +hr { + box-sizing: content-box; // 1 + height: 0; // 1 + overflow: visible; // 2 +} + + +// +// Typography +// + +// Remove top margins from headings +// +// By default, `<h1>`-`<h6>` all receive top and bottom margins. We nuke the top +// margin for easier control within type scales as it avoids margin collapsing. +// stylelint-disable selector-list-comma-newline-after +h1, h2, h3, h4, h5, h6 { + margin-top: 0; + margin-bottom: $headings-margin-bottom; +} +// stylelint-enable selector-list-comma-newline-after + +// Reset margins on paragraphs +// +// Similarly, the top margin on `<p>`s get reset. However, we also reset the +// bottom margin to use `rem` units instead of `em`. +p { + margin-top: 0; + margin-bottom: $paragraph-margin-bottom; +} + +// Abbreviations +// +// 1. Remove the bottom border in Firefox 39-. +// 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari. +// 3. Add explicit cursor to indicate changed behavior. +// 4. Duplicate behavior to the data-* attribute for our tooltip plugin + +abbr[title], +abbr[data-original-title] { // 4 + text-decoration: underline; // 2 + text-decoration: underline dotted; // 2 + cursor: help; // 3 + border-bottom: 0; // 1 +} + +address { + margin-bottom: 1rem; + font-style: normal; + line-height: inherit; +} + +ol, +ul, +dl { + margin-top: 0; + margin-bottom: 1rem; +} + +ol ol, +ul ul, +ol ul, +ul ol { + margin-bottom: 0; +} + +dt { + font-weight: $dt-font-weight; +} + +dd { + margin-bottom: .5rem; + margin-left: 0; // Undo browser default +} + +blockquote { + margin: 0 0 1rem; +} + +dfn { + font-style: italic; // Add the correct font style in Android 4.3- +} + +// stylelint-disable font-weight-notation +b, +strong { + font-weight: bolder; // Add the correct font weight in Chrome, Edge, and Safari +} +// stylelint-enable font-weight-notation + +small { + font-size: 80%; // Add the correct font size in all browsers +} + +// +// Prevent `sub` and `sup` elements from affecting the line height in +// all browsers. +// + +sub, +sup { + position: relative; + font-size: 75%; + line-height: 0; + vertical-align: baseline; +} + +sub { bottom: -.25em; } +sup { top: -.5em; } + + +// +// Links +// + +a { + color: $link-color; + text-decoration: $link-decoration; + background-color: transparent; // Remove the gray background on active links in IE 10. + -webkit-text-decoration-skip: objects; // Remove gaps in links underline in iOS 8+ and Safari 8+. + + @include hover { + color: $link-hover-color; + text-decoration: $link-hover-decoration; + } +} + +// And undo these styles for placeholder links/named anchors (without href) +// which have not been made explicitly keyboard-focusable (without tabindex). +// It would be more straightforward to just use a[href] in previous block, but that +// causes specificity issues in many other styles that are too complex to fix. +// See https://github.com/twbs/bootstrap/issues/19402 + +a:not([href]):not([tabindex]) { + color: inherit; + text-decoration: none; + + @include hover-focus { + color: inherit; + text-decoration: none; + } + + &:focus { + outline: 0; + } +} + + +// +// Code +// + +pre, +code, +kbd, +samp { + font-family: $font-family-monospace; + font-size: 1em; // Correct the odd `em` font sizing in all browsers. +} + +pre { + // Remove browser default top margin + margin-top: 0; + // Reset browser default of `1em` to use `rem`s + margin-bottom: 1rem; + // Don't allow content to break outside + overflow: auto; + // We have @viewport set which causes scrollbars to overlap content in IE11 and Edge, so + // we force a non-overlapping, non-auto-hiding scrollbar to counteract. + -ms-overflow-style: scrollbar; +} + + +// +// Figures +// + +figure { + // Apply a consistent margin strategy (matches our type styles). + margin: 0 0 1rem; +} + + +// +// Images and content +// + +img { + vertical-align: middle; + border-style: none; // Remove the border on images inside links in IE 10-. +} + +svg { + // Workaround for the SVG overflow bug in IE10/11 is still required. + // See https://github.com/twbs/bootstrap/issues/26878 + overflow: hidden; + vertical-align: middle; +} + + +// +// Tables +// + +table { + border-collapse: collapse; // Prevent double borders +} + +caption { + padding-top: $table-cell-padding; + padding-bottom: $table-cell-padding; + color: $table-caption-color; + text-align: left; + caption-side: bottom; +} + +th { + // Matches default `<td>` alignment by inheriting from the `<body>`, or the + // closest parent with a set `text-align`. + text-align: inherit; +} + + +// +// Forms +// + +label { + // Allow labels to use `margin` for spacing. + display: inline-block; + margin-bottom: $label-margin-bottom; +} + +// Remove the default `border-radius` that macOS Chrome adds. +// +// Details at https://github.com/twbs/bootstrap/issues/24093 +button { + border-radius: 0; +} + +// Work around a Firefox/IE bug where the transparent `button` background +// results in a loss of the default `button` focus styles. +// +// Credit: https://github.com/suitcss/base/ +button:focus { + outline: 1px dotted; + outline: 5px auto -webkit-focus-ring-color; +} + +input, +button, +select, +optgroup, +textarea { + margin: 0; // Remove the margin in Firefox and Safari + font-family: inherit; + font-size: inherit; + line-height: inherit; +} + +button, +input { + overflow: visible; // Show the overflow in Edge +} + +button, +select { + text-transform: none; // Remove the inheritance of text transform in Firefox +} + +// 1. Prevent a WebKit bug where (2) destroys native `audio` and `video` +// controls in Android 4. +// 2. Correct the inability to style clickable types in iOS and Safari. +button, +html [type="button"], // 1 +[type="reset"], +[type="submit"] { + -webkit-appearance: button; // 2 +} + +// Remove inner border and padding from Firefox, but don't restore the outline like Normalize. +button::-moz-focus-inner, +[type="button"]::-moz-focus-inner, +[type="reset"]::-moz-focus-inner, +[type="submit"]::-moz-focus-inner { + padding: 0; + border-style: none; +} + +input[type="radio"], +input[type="checkbox"] { + box-sizing: border-box; // 1. Add the correct box sizing in IE 10- + padding: 0; // 2. Remove the padding in IE 10- +} + + +input[type="date"], +input[type="time"], +input[type="datetime-local"], +input[type="month"] { + // Remove the default appearance of temporal inputs to avoid a Mobile Safari + // bug where setting a custom line-height prevents text from being vertically + // centered within the input. + // See https://bugs.webkit.org/show_bug.cgi?id=139848 + // and https://github.com/twbs/bootstrap/issues/11266 + -webkit-appearance: listbox; +} + +textarea { + overflow: auto; // Remove the default vertical scrollbar in IE. + // Textareas should really only resize vertically so they don't break their (horizontal) containers. + resize: vertical; +} + +fieldset { + // Browsers set a default `min-width: min-content;` on fieldsets, + // unlike e.g. `<div>`s, which have `min-width: 0;` by default. + // So we reset that to ensure fieldsets behave more like a standard block element. + // See https://github.com/twbs/bootstrap/issues/12359 + // and https://html.spec.whatwg.org/multipage/#the-fieldset-and-legend-elements + min-width: 0; + // Reset the default outline behavior of fieldsets so they don't affect page layout. + padding: 0; + margin: 0; + border: 0; +} + +// 1. Correct the text wrapping in Edge and IE. +// 2. Correct the color inheritance from `fieldset` elements in IE. +legend { + display: block; + width: 100%; + max-width: 100%; // 1 + padding: 0; + margin-bottom: .5rem; + 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 and cancel buttons in Chrome and Safari on macOS. +// + +[type="search"]::-webkit-search-cancel-button, +[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; +} |