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edx-platform/common/static/sass/_mixins.scss

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SCSS

// studio - utilities - mixins and extends
// ====================
// mixins - font sizing
@mixin font-size($sizeValue: 16){
font-size: $sizeValue + px;
font-size: ($sizeValue/10) + rem;
}
// mixins - line height
@mixin line-height($fontSize: auto){
line-height: ($fontSize*1.48) + px;
line-height: (($fontSize/10)*1.48) + rem;
}
// ====================
// mixins - sizing
@mixin size($width: $baseline, $height: $baseline) {
height: $height;
width: $width;
}
// mixins - sizing
@mixin square($size: $baseline) {
@include size($size);
}
// ====================
// mixins - placeholder styling
@mixin placeholder($color) {
:-moz-placeholder {
color: $color;
}
::-webkit-input-placeholder {
color: $color;
}
:-ms-input-placeholder {
color: $color;
}
}
// ====================
// extends - layout
// used for page/view-level wrappers (for centering/grids)
.wrapper {
@include clearfix();
@include box-sizing(border-box);
width: 100%;
}
// removes list styling/spacing when using uls, ols for navigation and less content-centric cases
.no-list {
list-style: none;
margin: 0;
padding: 0;
text-indent: 0;
li {
margin: 0;
padding: 0;
}
}
// extends - image-replacement hidden text
.text-hide {
text-indent: 100%;
white-space: nowrap;
overflow: hidden;
}
// extends - hidden elems - screenreaders
.text-sr {
border: 0;
clip: rect(0 0 0 0);
height: 1px;
margin: -1px;
overflow: hidden;
padding: 0;
position: absolute;
width: 1px;
}
// extends - wrapping
.text-wrap {
text-wrap: wrap;
white-space: pre-wrap;
white-space: -moz-pre-wrap;
word-wrap: break-word;
}
// extends - visual link
.fake-link {
cursor: pointer;
}
// extends - functional disable
.disabled {
pointer-events: none;
outline: none;
}
// extends - depth levels
.depth0 { z-index: 0; }
.depth1 { z-index: 10; }
.depth2 { z-index: 100; }
.depth3 { z-index: 1000; }
.depth4 { z-index: 10000; }
.depth5 { z-index: 100000; }
// ====================
// extends - buttons
.btn {
@include box-sizing(border-box);
@include transition(color 0.25s ease-in-out, border-color 0.25s ease-in-out, background 0.25s ease-in-out, box-shadow 0.25s ease-in-out);
display: inline-block;
cursor: pointer;
&:hover, &:active {
}
&.disabled, &[disabled] {
cursor: default;
pointer-events: none;
opacity: 0.5;
}
.icon-inline {
display: inline-block;
vertical-align: middle;
margin-right: ($baseline/4);
}
}
// pill button
.btn-pill {
@include border-radius($baseline/5);
}
.btn-rounded {
@include border-radius($baseline/2);
}
// primary button
.btn-primary {
@extend .btn;
@extend .btn-pill;
padding:($baseline/2) $baseline;
border-width: 1px;
border-style: solid;
line-height: 1.5em;
text-align: center;
&:hover, &:active {
@include box-shadow(0 2px 1px $shadow-l1);
}
&.current, &.active {
@include box-shadow(inset 1px 1px 2px $shadow-d1);
&:hover, &:active {
@include box-shadow(inset 1px 1px 1px $shadow-d1);
}
}
}
// secondary button
.btn-secondary {
@extend .btn;
@extend .btn-pill;
border-width: 1px;
border-style: solid;
padding:($baseline/2) $baseline;
background: transparent;
line-height: 1.5em;
text-align: center;
&:hover, &:active {
}
&.current, &.active {
}
}