ant-design/components/style/core/base.less

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/* stylelint-disable at-rule-no-unknown */
// 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
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// http://stackoverflow.com/a/13611748/3040605
@font-face {
font-family: "Monospaced Number";
src: local("Tahoma");
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unicode-range: U+30-39;
}
@font-face {
font-family: "Chinese Quote";
src: local("PingFang SC"), local("SimSun");
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unicode-range: U+2018, U+2019, U+201c, U+201d;
}
// HTML & Body reset
html, body {
.square(100%);
}
// remove the clear button of a text input control in IE10+
input::-ms-clear, input::-ms-reveal {
display: none;
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}
// 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(0, 0, 0, 0); // 6
}
// IE10+ doesn't honor `<meta name="viewport">` in some cases.
@-ms-viewport { width: device-width; }
// Shim for "new" HTML5 structural elements to display correctly (IE10, older browsers)
article, aside, dialog, figcaption, figure, footer, header, hgroup, main, nav, section {
display: block;
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}
// Body
//
// 1. remove the margin in all browsers.
// 2. As a best practice, apply a default `body-background`.
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body {
margin: 0; // 1
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font-family: @font-family;
font-size: @font-size-base;
line-height: @line-height-base;
color: @text-color;
background-color: @body-background; // 2
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}
// 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: none !important;
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}
// 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.
h1, h2, h3, h4, h5, h6 {
margin-top: 0;
margin-bottom: .5em;
color: @heading-color;
font-weight: 500;
}
// Reset margins on paragraphs
//
// Similarly, the top margin on `<p>`s get reset. However, we also reset the
// bottom margin to use `em` units instead of `em`.
p {
margin-top: 0;
margin-bottom: 1em;
}
// 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: 1em;
font-style: normal;
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line-height: inherit;
}
input[type="text"],
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input[type="password"],
input[type="number"],
textarea {
-webkit-appearance: none;
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}
ol,
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ul,
dl {
margin-top: 0;
margin-bottom: 1em;
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}
ol ol,
ul ul,
ol ul,
ul ol {
margin-bottom: 0;
}
dt {
font-weight: 500;
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}
dd {
margin-bottom: .5em;
margin-left: 0; // Undo browser default
}
blockquote {
margin: 0 0 1em;
}
dfn {
font-style: italic; // Add the correct font style in Android 4.3-
}
b,
strong {
font-weight: bolder; // Add the correct font weight in Chrome, Edge, and Safari
}
small {
font-size: 80%; // Add the correct font size in all browsers
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}
//
// 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; }
//
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// Links
//
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a {
color: @link-color;
background-color: transparent; // remove the gray background on active links in IE 10.
text-decoration: @link-decoration;
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outline: none;
cursor: pointer;
transition: color .3s;
-webkit-text-decoration-skip: objects; // remove gaps in links underline in iOS 8+ and Safari 8+.
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&:focus {
text-decoration: underline;
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text-decoration-skip: ink;
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}
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&:hover {
color: @link-hover-color;
}
&:active {
color: @link-active-color;
}
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&:active,
&:hover {
outline: 0;
text-decoration: @link-hover-decoration;
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}
&[disabled] {
color: @disabled-color;
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cursor: not-allowed;
pointer-events: none;
}
}
//
// Code
//
pre,
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code,
kbd,
samp {
font-family: @code-family;
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 `em`s
margin-bottom: 1em;
// Don't allow content to break outside
overflow: auto;
}
//
// Figures
//
figure {
// Apply a consistent margin strategy (matches our type styles).
margin: 0 0 1em;
}
//
// Images and content
//
img {
vertical-align: middle;
border-style: none; // remove the border on images inside links in IE 10-.
}
svg:not(:root) {
overflow: hidden; // Hide the overflow in IE
}
// Avoid 300ms click delay on touch devices that support the `touch-action` CSS property.
//
// In particular, unlike most other browsers, IE11+Edge on Windows 10 on touch devices and IE Mobile 10-11
// DON'T remove the click delay when `<meta name="viewport" content="width=device-width">` is present.
// However, they DO support emoving the click delay via `touch-action: manipulation`.
// See:
// * https://getbootstrap.com/docs/4.0/content/reboot/#click-delay-optimization-for-touch
// * http://caniuse.com/#feat=css-touch-action
// * https://patrickhlauke.github.io/touch/tests/results/#suppressing-300ms-delay
a,
area,
button,
[role="button"],
input:not([type=range]),
label,
select,
summary,
textarea {
touch-action: manipulation;
}
//
// Tables
//
table {
border-collapse: collapse; // Prevent double borders
}
caption {
padding-top: .75em;
padding-bottom: .3em;
color: @text-color-secondary;
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
//
input,
button,
select,
optgroup,
textarea {
margin: 0; // remove the margin in Firefox and Safari
font-family: inherit;
font-size: inherit;
line-height: inherit;
color: 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: .5em;
font-size: 1.5em;
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 incement and decement 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
}
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;
}
mark {
padding: .2em;
background-color: @yellow-1;
}
::selection {
background: @primary-color;
color: #fff;
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}
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// Utility classes
.clearfix {
.clearfix();
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}