0
0
mirror of https://github.com/twbs/bootstrap.git synced 2024-12-10 22:24:19 +01:00
Bootstrap/scss/_carousel.scss
Starsam80 b226766b62 Remove lots of duplication + minor cleanup (#21238)
* Remove comment that duplicated some code
* Use transition mixin whenever possible
* Create a new function to reduce duplication
* Use the new `breakpoint-infix` method
2016-11-28 13:23:59 -08:00

254 lines
5.2 KiB
SCSS

// Wrapper for the slide container and indicators
.carousel {
position: relative;
}
.carousel-inner {
position: relative;
width: 100%;
overflow: hidden;
> .carousel-item {
position: relative;
display: none;
@include transition(left .6s ease-in-out);
// Account for jankitude on images
> img,
> a > img {
@extend .img-fluid;
line-height: 1;
}
// CSS3 transforms when supported by the browser
@include if-supports-3d-transforms() {
@include transition(transform .6s ease-in-out);
backface-visibility: hidden;
perspective: 1000px;
&.next,
&.active.right {
left: 0;
transform: translate3d(100%, 0, 0);
}
&.prev,
&.active.left {
left: 0;
transform: translate3d(-100%, 0, 0);
}
&.next.left,
&.prev.right,
&.active {
left: 0;
transform: translate3d(0, 0, 0);
}
}
}
> .active,
> .next,
> .prev {
display: block;
}
> .active {
left: 0;
}
> .next,
> .prev {
position: absolute;
top: 0;
width: 100%;
}
> .next {
left: 100%;
}
> .prev {
left: -100%;
}
> .next.left,
> .prev.right {
left: 0;
}
> .active.left {
left: -100%;
}
> .active.right {
left: 100%;
}
}
//
// Left/right controls for nav
//
.carousel-control {
position: absolute;
top: 0;
bottom: 0;
left: 0;
width: $carousel-control-width;
font-size: $carousel-control-font-size;
color: $carousel-control-color;
text-align: center;
text-shadow: $carousel-text-shadow;
opacity: $carousel-control-opacity;
// We can't have this transition here because WebKit cancels the carousel
// animation if you trip this while in the middle of another animation.
// Set gradients for backgrounds
&.left {
@include gradient-x($start-color: rgba(0,0,0,.5), $end-color: rgba(0,0,0,.0001));
}
&.right {
right: 0;
left: auto;
@include gradient-x($start-color: rgba(0,0,0,.0001), $end-color: rgba(0,0,0,.5));
}
// Hover/focus state
@include hover-focus {
color: $carousel-control-color;
text-decoration: none;
outline: 0;
opacity: .9;
}
// Toggles
.icon-prev,
.icon-next {
position: absolute;
top: 50%;
z-index: 5;
display: inline-block;
width: $carousel-icon-width;
height: $carousel-icon-width;
margin-top: -($carousel-icon-width / 2);
font-family: serif;
line-height: 1;
}
.icon-prev {
left: 50%;
margin-left: -($carousel-icon-width / 2);
}
.icon-next {
right: 50%;
margin-right: -($carousel-icon-width / 2);
}
.icon-prev {
&::before {
content: "\2039";// SINGLE LEFT-POINTING ANGLE QUOTATION MARK (U+2039)
}
}
.icon-next {
&::before {
content: "\203a";// SINGLE RIGHT-POINTING ANGLE QUOTATION MARK (U+203A)
}
}
}
// Optional indicator pips
//
// Add an unordered list with the following class and add a list item for each
// slide your carousel holds.
.carousel-indicators {
position: absolute;
bottom: 10px;
left: 50%;
z-index: 15;
width: $carousel-indicators-width;
padding-left: 0;
margin-left: -($carousel-indicators-width / 2);
text-align: center;
list-style: none;
li {
display: inline-block;
width: $carousel-indicator-size;
height: $carousel-indicator-size;
margin: 1px;
text-indent: -999px;
cursor: pointer;
// IE9 hack for event handling
//
// Internet Explorer 9 does not properly handle clicks on elements with a `background-color` of `transparent`,
// so we use `rgba(0,0,0,0)` instead since it's a non-buggy equivalent.
// See https://developer.mozilla.org/en-US/docs/Web/Events/click#Internet_Explorer
background-color: rgba(0,0,0,0); // IE9
border: 1px solid $carousel-indicator-border-color;
border-radius: $carousel-indicator-size;
}
.active {
width: $carousel-indicator-active-size;
height: $carousel-indicator-active-size;
margin: 0;
background-color: $carousel-indicator-active-bg;
}
}
// Optional captions
//
// Hidden by default for smaller viewports.
.carousel-caption {
position: absolute;
right: ((100% - $carousel-caption-width) / 2);
bottom: 20px;
left: ((100% - $carousel-caption-width) / 2);
z-index: 10;
padding-top: 20px;
padding-bottom: 20px;
color: $carousel-caption-color;
text-align: center;
text-shadow: $carousel-text-shadow;
.btn {
text-shadow: none; // No shadow for button elements in carousel-caption
}
}
//
// Responsive variations
//
@include media-breakpoint-up(sm) {
// Scale up the controls a smidge
.carousel-control {
.icon-prev,
.icon-next {
width: $carousel-control-sm-up-size;
height: $carousel-control-sm-up-size;
margin-top: -($carousel-control-sm-up-size / 2);
font-size: $carousel-control-sm-up-size;
}
.icon-prev {
margin-left: -($carousel-control-sm-up-size / 2);
}
.icon-next {
margin-right: -($carousel-control-sm-up-size / 2);
}
}
// Show and left align the captions
.carousel-caption {
right: ((100% - $carousel-caption-sm-up-width) / 2);
left: ((100% - $carousel-caption-sm-up-width) / 2);
padding-bottom: 30px;
}
// Move up the indicators
.carousel-indicators {
bottom: 20px;
}
}