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2000字范文 > html背景轮播原理 使用CSS背景图属性实现的全屏图片轮播动画

html背景轮播原理 使用CSS背景图属性实现的全屏图片轮播动画

时间:2023-02-16 13:39:41

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html背景轮播原理 使用CSS背景图属性实现的全屏图片轮播动画

CSS

语言:

CSSSCSS

确定

html {

min-height: 100%;

}

body {

height: 100%;

}

.slideshow {

list-style: none;

z-index: 1;

}

.slideshow li span {

width: 100%;

height: 100%;

position: absolute;

top: 0px;

left: 0px;

color: transparent;

background-size: cover;

background-position: 50% 50%;

background-repeat: none;

opacity: 0;

z-index: 0;

-webkit-backface-visibility: hidden;

backface-visibility: hidden;

-webkit-animation: imageAnimation 24s linear infinite 0s;

-moz-animation: imageAnimation 24s linear infinite 0s;

animation: imageAnimation 24s linear infinite 0s;

}

.slideshow li h3 {

position: absolute;

text-align: center;

z-index: 2;

bottom: 150px;

left: 0;

right: 0;

opacity: 0;

font-size: 4.0625em;

font-family: 'Josefin Sans', sans-serif;

text-transform: uppercase;

color: #fff;

-webkit-animation: titleAnimation 24s linear 1 0s;

-moz-animation: titleAnimation 24s linear 1 0s;

animation: titleAnimation 24s linear 1 0s;

}

@media only screen and (min-width: 768px) {

.slideshow li h3 {

bottom: 30px;

font-size: 8.125em;

}

}

@media only screen and (min-width: 1024px) {

.slideshow li h3 {

font-size: 10.9375em;

}

}

.slideshow li:nth-child(1) span {

background-image: url(/uploads/160401/summer-slide.jpg);

}

.slideshow li:nth-child(2) span {

background-image: url(/uploads/160401/fall-slide.jpg);

-webkit-animation-delay: 6s;

-moz-animation-delay: 6s;

animation-delay: 6s;

}

.slideshow li:nth-child(3) span {

background-image: url(/uploads/160401/winter-slide.jpg);

-webkit-animation-delay: 12s;

-moz-animation-delay: 12s;

animation-delay: 12s;

}

.slideshow li:nth-child(4) span {

background-image: url(/uploads/160401/spring-slide.jpg);

-webkit-animation-delay: 18s;

-moz-animation-delay: 18s;

animation-delay: 18s;

}

@-webkit-keyframes imageAnimation {

0% {

opacity: 0;

-webkit-animation-timing-function: ease-in;

}

12.5% {

opacity: 1;

-webkit-animation-timing-function: ease-out;

}

25% {

opacity: 1;

}

37.5% {

opacity: 0;

}

100% {

opacity: 0;

}

}

@-moz-keyframes imageAnimation {

0% {

opacity: 0;

-moz-animation-timing-function: ease-in;

}

12.5% {

opacity: 1;

-moz-animation-timing-function: ease-out;

}

25% {

opacity: 1;

}

37.5% {

opacity: 0;

}

100% {

opacity: 0;

}

}

@keyframes imageAnimation {

0% {

opacity: 0;

-webkit-animation-timing-function: ease-in;

-moz-animation-timing-function: ease-in;

animation-timing-function: ease-in;

}

12.5% {

opacity: 1;

-webkit-animation-timing-function: ease-out;

-moz-animation-timing-function: ease-out;

animation-timing-function: ease-out;

}

25% {

opacity: 1;

}

37.5% {

opacity: 0;

}

100% {

opacity: 0;

}

}

@-webkit-keyframes titleAnimation {

0% {

opacity: 0;

}

12.5% {

opacity: 1;

}

25% {

opacity: 1;

}

37.5% {

opacity: 0;

}

100% {

opacity: 0;

}

}

@-moz-keyframes titleAnimation {

0% {

opacity: 0;

}

12.5% {

opacity: 1;

}

25% {

opacity: 1;

}

37.5% {

opacity: 0;

}

100% {

opacity: 0;

}

}

@keyframes titleAnimation {

0% {

opacity: 0;

}

12.5% {

opacity: 1;

}

25% {

opacity: 1;

}

37.5% {

opacity: 0;

}

100% {

opacity: 0;

}

}

.no-cssanimations .slideshow li span {

opacity: 1;

}

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