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authorDaniel Baumann <daniel.baumann@progress-linux.org>2023-01-24 12:33:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2023-01-24 12:33:51 +0000
commit3ea39841c8049525e31e9f4d6300f0c60cdb42de (patch)
tree855de60a8872eafb5911acd303aedcdbfe713a73 /scss/_reboot.scss
parentInital commit. (diff)
downloadbootstrap-html-3ea39841c8049525e31e9f4d6300f0c60cdb42de.tar.xz
bootstrap-html-3ea39841c8049525e31e9f4d6300f0c60cdb42de.zip
Adding upstream version 5.2.3+dfsg.upstream/5.2.3+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/scss/_reboot.scss b/scss/_reboot.scss
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+// stylelint-disable 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
+//
+// Change from `box-sizing: content-box` so that `width` is not affected by `padding` or `border`.
+
+*,
+*::before,
+*::after {
+ box-sizing: border-box;
+}
+
+
+// Root
+//
+// Ability to the value of the root font sizes, affecting the value of `rem`.
+// null by default, thus nothing is generated.
+
+:root {
+ @if $font-size-root != null {
+ @include font-size(var(--#{$prefix}root-font-size));
+ }
+
+ @if $enable-smooth-scroll {
+ @media (prefers-reduced-motion: no-preference) {
+ scroll-behavior: smooth;
+ }
+ }
+}
+
+
+// Body
+//
+// 1. Remove the margin in all browsers.
+// 2. As a best practice, apply a default `background-color`.
+// 3. Prevent adjustments of font size after orientation changes in iOS.
+// 4. Change the default tap highlight to be completely transparent in iOS.
+
+// scss-docs-start reboot-body-rules
+body {
+ margin: 0; // 1
+ font-family: var(--#{$prefix}body-font-family);
+ @include font-size(var(--#{$prefix}body-font-size));
+ font-weight: var(--#{$prefix}body-font-weight);
+ line-height: var(--#{$prefix}body-line-height);
+ color: var(--#{$prefix}body-color);
+ text-align: var(--#{$prefix}body-text-align);
+ background-color: var(--#{$prefix}body-bg); // 2
+ -webkit-text-size-adjust: 100%; // 3
+ -webkit-tap-highlight-color: rgba($black, 0); // 4
+}
+// scss-docs-end reboot-body-rules
+
+
+// Content grouping
+//
+// 1. Reset Firefox's gray color
+
+hr {
+ margin: $hr-margin-y 0;
+ color: $hr-color; // 1
+ border: 0;
+ border-top: $hr-border-width solid $hr-border-color;
+ opacity: $hr-opacity;
+}
+
+
+// Typography
+//
+// 1. 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.
+
+%heading {
+ margin-top: 0; // 1
+ margin-bottom: $headings-margin-bottom;
+ font-family: $headings-font-family;
+ font-style: $headings-font-style;
+ font-weight: $headings-font-weight;
+ line-height: $headings-line-height;
+ color: $headings-color;
+}
+
+h1 {
+ @extend %heading;
+ @include font-size($h1-font-size);
+}
+
+h2 {
+ @extend %heading;
+ @include font-size($h2-font-size);
+}
+
+h3 {
+ @extend %heading;
+ @include font-size($h3-font-size);
+}
+
+h4 {
+ @extend %heading;
+ @include font-size($h4-font-size);
+}
+
+h5 {
+ @extend %heading;
+ @include font-size($h5-font-size);
+}
+
+h6 {
+ @extend %heading;
+ @include font-size($h6-font-size);
+}
+
+
+// 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. Add the correct text decoration in Chrome, Edge, Opera, and Safari.
+// 2. Add explicit cursor to indicate changed behavior.
+// 3. Prevent the text-decoration to be skipped.
+
+abbr[title] {
+ text-decoration: underline dotted; // 1
+ cursor: help; // 2
+ text-decoration-skip-ink: none; // 3
+}
+
+
+// Address
+
+address {
+ margin-bottom: 1rem;
+ font-style: normal;
+ line-height: inherit;
+}
+
+
+// Lists
+
+ol,
+ul {
+ padding-left: 2rem;
+}
+
+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;
+}
+
+// 1. Undo browser default
+
+dd {
+ margin-bottom: .5rem;
+ margin-left: 0; // 1
+}
+
+
+// Blockquote
+
+blockquote {
+ margin: 0 0 1rem;
+}
+
+
+// Strong
+//
+// Add the correct font weight in Chrome, Edge, and Safari
+
+b,
+strong {
+ font-weight: $font-weight-bolder;
+}
+
+
+// Small
+//
+// Add the correct font size in all browsers
+
+small {
+ @include font-size($small-font-size);
+}
+
+
+// Mark
+
+mark {
+ padding: $mark-padding;
+ background-color: var(--#{$prefix}highlight-bg);
+}
+
+
+// Sub and Sup
+//
+// Prevent `sub` and `sup` elements from affecting the line height in
+// all browsers.
+
+sub,
+sup {
+ position: relative;
+ @include font-size($sub-sup-font-size);
+ line-height: 0;
+ vertical-align: baseline;
+}
+
+sub { bottom: -.25em; }
+sup { top: -.5em; }
+
+
+// Links
+
+a {
+ color: var(--#{$prefix}link-color);
+ text-decoration: $link-decoration;
+
+ &:hover {
+ color: var(--#{$prefix}link-hover-color);
+ text-decoration: $link-hover-decoration;
+ }
+}
+
+// And undo these styles for placeholder links/named anchors (without href).
+// 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([class]) {
+ &,
+ &:hover {
+ color: inherit;
+ text-decoration: none;
+ }
+}
+
+
+// Code
+
+pre,
+code,
+kbd,
+samp {
+ font-family: $font-family-code;
+ @include font-size(1em); // Correct the odd `em` font sizing in all browsers.
+}
+
+// 1. Remove browser default top margin
+// 2. Reset browser default of `1em` to use `rem`s
+// 3. Don't allow content to break outside
+
+pre {
+ display: block;
+ margin-top: 0; // 1
+ margin-bottom: 1rem; // 2
+ overflow: auto; // 3
+ @include font-size($code-font-size);
+ color: $pre-color;
+
+ // Account for some code outputs that place code tags in pre tags
+ code {
+ @include font-size(inherit);
+ color: inherit;
+ word-break: normal;
+ }
+}
+
+code {
+ @include font-size($code-font-size);
+ color: var(--#{$prefix}code-color);
+ word-wrap: break-word;
+
+ // Streamline the style when inside anchors to avoid broken underline and more
+ a > & {
+ color: inherit;
+ }
+}
+
+kbd {
+ padding: $kbd-padding-y $kbd-padding-x;
+ @include font-size($kbd-font-size);
+ color: $kbd-color;
+ background-color: $kbd-bg;
+ @include border-radius($border-radius-sm);
+
+ kbd {
+ padding: 0;
+ @include font-size(1em);
+ font-weight: $nested-kbd-font-weight;
+ }
+}
+
+
+// Figures
+//
+// Apply a consistent margin strategy (matches our type styles).
+
+figure {
+ margin: 0 0 1rem;
+}
+
+
+// Images and content
+
+img,
+svg {
+ vertical-align: middle;
+}
+
+
+// Tables
+//
+// Prevent double borders
+
+table {
+ caption-side: bottom;
+ border-collapse: collapse;
+}
+
+caption {
+ padding-top: $table-cell-padding-y;
+ padding-bottom: $table-cell-padding-y;
+ color: $table-caption-color;
+ text-align: left;
+}
+
+// 1. Removes font-weight bold by inheriting
+// 2. Matches default `<td>` alignment by inheriting `text-align`.
+// 3. Fix alignment for Safari
+
+th {
+ font-weight: $table-th-font-weight; // 1
+ text-align: inherit; // 2
+ text-align: -webkit-match-parent; // 3
+}
+
+thead,
+tbody,
+tfoot,
+tr,
+td,
+th {
+ border-color: inherit;
+ border-style: solid;
+ border-width: 0;
+}
+
+
+// Forms
+//
+// 1. Allow labels to use `margin` for spacing.
+
+label {
+ display: inline-block; // 1
+}
+
+// Remove the default `border-radius` that macOS Chrome adds.
+// See https://github.com/twbs/bootstrap/issues/24093
+
+button {
+ // stylelint-disable-next-line property-disallowed-list
+ border-radius: 0;
+}
+
+// Explicitly remove focus outline in Chromium when it shouldn't be
+// visible (e.g. as result of mouse click or touch tap). It already
+// should be doing this automatically, but seems to currently be
+// confused and applies its very visible two-tone outline anyway.
+
+button:focus:not(:focus-visible) {
+ outline: 0;
+}
+
+// 1. Remove the margin in Firefox and Safari
+
+input,
+button,
+select,
+optgroup,
+textarea {
+ margin: 0; // 1
+ font-family: inherit;
+ @include font-size(inherit);
+ line-height: inherit;
+}
+
+// Remove the inheritance of text transform in Firefox
+button,
+select {
+ text-transform: none;
+}
+// Set the cursor for non-`<button>` buttons
+//
+// Details at https://github.com/twbs/bootstrap/pull/30562
+[role="button"] {
+ cursor: pointer;
+}
+
+select {
+ // Remove the inheritance of word-wrap in Safari.
+ // See https://github.com/twbs/bootstrap/issues/24990
+ word-wrap: normal;
+
+ // Undo the opacity change from Chrome
+ &:disabled {
+ opacity: 1;
+ }
+}
+
+// Remove the dropdown arrow only from text type inputs built with datalists in Chrome.
+// See https://stackoverflow.com/a/54997118
+
+[list]:not([type="date"]):not([type="datetime-local"]):not([type="month"]):not([type="week"]):not([type="time"])::-webkit-calendar-picker-indicator {
+ display: none !important;
+}
+
+// 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.
+// 3. Opinionated: add "hand" cursor to non-disabled button elements.
+
+button,
+[type="button"], // 1
+[type="reset"],
+[type="submit"] {
+ -webkit-appearance: button; // 2
+
+ @if $enable-button-pointers {
+ &:not(:disabled) {
+ cursor: pointer; // 3
+ }
+ }
+}
+
+// Remove inner border and padding from Firefox, but don't restore the outline like Normalize.
+
+::-moz-focus-inner {
+ padding: 0;
+ border-style: none;
+}
+
+// 1. Textareas should really only resize vertically so they don't break their (horizontal) containers.
+
+textarea {
+ resize: vertical; // 1
+}
+
+// 1. 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
+// 2. Reset the default outline behavior of fieldsets so they don't affect page layout.
+
+fieldset {
+ min-width: 0; // 1
+ padding: 0; // 2
+ margin: 0; // 2
+ border: 0; // 2
+}
+
+// 1. By using `float: left`, the legend will behave like a block element.
+// This way the border of a fieldset wraps around the legend if present.
+// 2. Fix wrapping bug.
+// See https://github.com/twbs/bootstrap/issues/29712
+
+legend {
+ float: left; // 1
+ width: 100%;
+ padding: 0;
+ margin-bottom: $legend-margin-bottom;
+ @include font-size($legend-font-size);
+ font-weight: $legend-font-weight;
+ line-height: inherit;
+
+ + * {
+ clear: left; // 2
+ }
+}
+
+// Fix height of inputs with a type of datetime-local, date, month, week, or time
+// See https://github.com/twbs/bootstrap/issues/18842
+
+::-webkit-datetime-edit-fields-wrapper,
+::-webkit-datetime-edit-text,
+::-webkit-datetime-edit-minute,
+::-webkit-datetime-edit-hour-field,
+::-webkit-datetime-edit-day-field,
+::-webkit-datetime-edit-month-field,
+::-webkit-datetime-edit-year-field {
+ padding: 0;
+}
+
+::-webkit-inner-spin-button {
+ height: auto;
+}
+
+// 1. Correct the outline style in Safari.
+// 2. 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.
+
+[type="search"] {
+ outline-offset: -2px; // 1
+ -webkit-appearance: textfield; // 2
+}
+
+// 1. A few input types should stay LTR
+// See https://rtlstyling.com/posts/rtl-styling#form-inputs
+// 2. RTL only output
+// See https://rtlcss.com/learn/usage-guide/control-directives/#raw
+
+/* rtl:raw:
+[type="tel"],
+[type="url"],
+[type="email"],
+[type="number"] {
+ direction: ltr;
+}
+*/
+
+// Remove the inner padding in Chrome and Safari on macOS.
+
+::-webkit-search-decoration {
+ -webkit-appearance: none;
+}
+
+// Remove padding around color pickers in webkit browsers
+
+::-webkit-color-swatch-wrapper {
+ padding: 0;
+}
+
+
+// 1. Inherit font family and line height for file input buttons
+// 2. Correct the inability to style clickable types in iOS and Safari.
+
+::file-selector-button {
+ font: inherit; // 1
+ -webkit-appearance: button; // 2
+}
+
+// Correct element displays
+
+output {
+ display: inline-block;
+}
+
+// Remove border from iframe
+
+iframe {
+ border: 0;
+}
+
+// Summary
+//
+// 1. Add the correct display in all browsers
+
+summary {
+ display: list-item; // 1
+ cursor: pointer;
+}
+
+
+// Progress
+//
+// Add the correct vertical alignment in Chrome, Firefox, and Opera.
+
+progress {
+ vertical-align: baseline;
+}
+
+
+// Hidden attribute
+//
+// Always hide an element with the `hidden` HTML attribute.
+
+[hidden] {
+ display: none !important;
+}