//
// See https://developer.mozilla.org/en-US/docs/Web/CSS/:focus-visible
// and https://developer.paciellogroup.com/blog/2018/03/focus-visible-and-backwards-compatibility/
+
[tabindex="-1"]:focus:not(:focus-visible) {
outline: 0 !important;
}
}
-//
// 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.
-// 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;
+ margin-top: 0; // 1
margin-bottom: $headings-margin-bottom;
font-family: $headings-font-family;
font-style: $headings-font-style;
//
// 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. Duplicate behavior to the data-* attribute for our tooltip plugin
// 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
// 3. Add explicit cursor to indicate changed behavior.
-// 4. Remove the bottom border in Firefox 39-.
-// 5. Prevent the text-decoration to be skipped.
+// 4. Prevent the text-decoration to be skipped.
abbr[title],
abbr[data-original-title] { // 1
text-decoration: underline; // 2
text-decoration: underline dotted; // 2
cursor: help; // 3
- border-bottom: 0; // 4
- text-decoration-skip-ink: none; // 5
+ text-decoration-skip-ink: none; // 4
}
+
address {
margin-bottom: 1rem;
font-style: normal;
font-weight: $dt-font-weight;
}
+// 1. Undo browser default
+
dd {
margin-bottom: .5rem;
- margin-left: 0; // Undo browser default
+ margin-left: 0; // 1
}
blockquote {
margin: 0 0 1rem;
}
+// Add the correct font weight in Chrome, Edge, and Safari
+
b,
strong {
- font-weight: $font-weight-bolder; // Add the correct font weight in Chrome, Edge, and Safari
+ font-weight: $font-weight-bolder;
}
+
+// Add the correct font size in all browsers
+
small {
- @include font-size($small-font-size); // Add the correct font size in all browsers
+ @include font-size($small-font-size);
}
-//
// Prevent `sub` and `sup` elements from affecting the line height in
// all browsers.
-//
sub,
sup {
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.
&:hover {
color: $link-hover-color;
}
-//
// Code
-//
pre,
code,
@include font-size(1em); // Correct the odd `em` font sizing in all browsers.
}
+// 1. Remove browser default top margin
+// 2. Reset browser default of `1em` to use `rem`s
+// 3. Don't allow content to break outside
+
pre {
- // Remove browser default top margin
- margin-top: 0;
- // Reset browser default of `1em` to use `rem`s
- margin-bottom: 1rem;
- // Don't allow content to break outside
- overflow: auto;
+ display: block;
+ margin-top: 0; // 1
+ margin-bottom: 1rem; // 2
+ overflow: auto; // 3
+ @include font-size($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: $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(100%);
+ font-weight: $nested-kbd-font-weight;
+ }
}
-//
// Figures
-//
+
+// Apply a consistent margin strategy (matches our type styles).
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-.
}
+// 1. Workaround for the SVG overflow bug in IE 11 is still required.
+// See https://github.com/twbs/bootstrap/issues/26878
+
svg {
- // Workaround for the SVG overflow bug in IE10/11 is still required.
- // See https://github.com/twbs/bootstrap/issues/26878
- overflow: hidden;
+ overflow: hidden; // 1
vertical-align: middle;
}
-//
// Tables
-//
+
+// Prevent double borders
table {
- border-collapse: collapse; // Prevent double borders
+ border-collapse: collapse;
}
caption {
caption-side: bottom;
}
+// Matches default `<td>` alignment by inheriting from the `<body>`, or the
+// closest parent with a set `text-align`.
+
th {
- // Matches default `<td>` alignment by inheriting from the `<body>`, or the
- // closest parent with a set `text-align`.
text-align: inherit;
}
-//
// Forms
-//
+
+// 1. Allow labels to use `margin` for spacing.
label {
- // Allow labels to use `margin` for spacing.
- display: inline-block;
+ display: inline-block; // 1
margin-bottom: $label-margin-bottom;
}
// Remove the default `border-radius` that macOS Chrome adds.
//
// Details at https://github.com/twbs/bootstrap/issues/24093
+
button {
// stylelint-disable-next-line property-blacklist
border-radius: 0;
// 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;
}
+// 1. Remove the margin in Firefox and Safari
+
input,
button,
select,
optgroup,
textarea {
- margin: 0; // Remove the margin in Firefox and Safari
+ margin: 0;
font-family: inherit;
@include font-size(inherit);
line-height: inherit;
}
+// Show the overflow in Edge
+
button,
input {
- overflow: visible; // Show the overflow in Edge
+ overflow: visible;
}
+// Remove the inheritance of text transform in Firefox
+
button,
select {
- text-transform: none; // Remove the inheritance of text transform in Firefox
+ text-transform: none;
}
// Remove the inheritance of word-wrap in Safari.
//
// Details at https://github.com/twbs/bootstrap/issues/24990
+
select {
word-wrap: normal;
}
// 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
-}
-// Opinionated: add "hand" cursor to non-disabled button elements.
-@if $enable-pointer-cursor-for-buttons {
- button,
- [type="button"],
- [type="reset"],
- [type="submit"] {
+ @if $enable-pointer-cursor-for-buttons {
&:not(:disabled) {
- cursor: pointer;
+ cursor: pointer; // 3
}
}
}
+
// 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 {
+
+::-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-
-}
+// 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
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;
+ -webkit-appearance: textfield;
}
+// 1. Remove the default vertical scrollbar in IE.
+// 2. Textareas should really only resize vertically so they don't break their (horizontal) containers.
+// 3. Use the same borders as textfields
+
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;
+ overflow: auto; // 1
+ resize: vertical; // 2
+ -webkit-appearance: textfield; // 3
}
+// 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 {
- // 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;
+ min-width: 0; // 1
+ padding: 0; // 2
+ margin: 0; // 2
+ border: 0; // 2
}
-// 1. Correct the text wrapping in Edge and IE.
+
+// 1. By using `float: left`, the legend will behave like a block element
// 2. Correct the color inheritance from `fieldset` elements in IE.
+// 3. Correct the text wrapping in Edge and IE.
+
legend {
- display: block;
+ float: left; // 1
width: 100%;
- max-width: 100%; // 1
padding: 0;
- margin-bottom: .5rem;
- @include font-size(1.5rem);
+ margin-bottom: $legend-margin-bottom;
+ @include font-size($legend-font-size);
+ font-weight: $legend-font-weight;
line-height: inherit;
color: inherit; // 2
- white-space: normal; // 1
+ white-space: normal; // 3
}
+
mark {
padding: $mark-padding;
background-color: $mark-bg;
}
+// Add the correct vertical alignment in Chrome, Firefox, and Opera.
+
progress {
- vertical-align: baseline; // Add the correct vertical alignment in Chrome, Firefox, and Opera.
+ vertical-align: baseline;
}
-// 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;
+
+// Fix height of inputs with a type of datetime-local, date, month, week, or time
+// See https://github.com/twbs/bootstrap/issues/18842
+
+::-webkit-inner-spin-button,
+::-webkit-outer-spin-button {
+ height: 0;
}
+
+// 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"] {
- // 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;
+ outline-offset: -2px; // 1
+ -webkit-appearance: textfield; // 2
}
-//
// Remove the inner padding in Chrome and Safari on macOS.
-//
-[type="search"]::-webkit-search-decoration {
+::-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.
-//
+// 1. Change font properties to `inherit` in Safari.
+// 2. Correct the inability to style clickable types in iOS and Safari.
::-webkit-file-upload-button {
- font: inherit; // 2
- -webkit-appearance: button; // 1
+ font: inherit; // 1
+ -webkit-appearance: button; // 2
}
-//
// Correct element displays
-//
output {
display: inline-block;
}
+// 1. Add the correct display in all browsers
+
summary {
- display: list-item; // Add the correct display in all browsers
+ display: list-item; // 1
cursor: pointer;
}
+// Add the correct display for template & main in IE 11
+
template {
- display: none; // Add the correct display in IE
+ display: none;
}
-// Always hide an element with the `hidden` HTML attribute (from PureCSS).
-// Needed for proper display in IE 10-.
+main {
+ display: block;
+}
+
+// Always hide an element with the `hidden` HTML attribute.
+
[hidden] {
display: none !important;
}
projects / thirdparty / bootstrap.git / commitdiff
