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我从的jsfiddle这个示例代码和发挥它，但代码混淆我CSS动画的延迟时间
.backgroundimg {
-webkit-background-size: cover;
\t -moz-background-size: cover;
\t -o-background-size: cover;
\t background-size: cover;
position: absolute;
top: 0;
left: 0;
height: 100%;
width: 100%;
}
#back5 {
background: url("http://duananhalotus.com/upload/album/0904234.jpg") no-repeat center fixed;
z-index: -1;
}
#back4 {
background: url("http://www.chinadaily.com.cn/world/images/attachement/jpg/site1/20120806/d4bed9d534551189e67329.jpg") no-repeat center fixed;
z-index: -1;
}
#back3 {
background: url("https://amazingslider.com/wp-content/uploads/2012/12/dandelion.jpg") no-repeat center fixed;
z-index: -1;
}
#back2 {
background: url("https://cdn.pixabay.com/photo/2013/04/06/11/50/image-editing-101040_960_720.jpg") no-repeat center fixed;
z-index: -1;
}
#back1 {
background: url("http://www.gettyimages.com/gi-resources/images/Embed/new/embed2.jpg") no-repeat center fixed;
z-index: -1;
}
@keyframes backgroundchangeFadeInOut {
0% {
opacity:1;
}
17% {
opacity:1;
}
25% {
opacity:0;
}
92% {
opacity:0;
}
100% {
opacity:1;
}
}
@-webkit-keyframes backgroundchangeFadeInOut {
0% {
opacity:1;
}
17% {
opacity:1;
}
25% {
opacity:0;
}
92% {
opacity:0;
}
100% {
opacity:1;
}
}
#backgroundchange div:nth-of-type(1) {
animation-delay: 8s;
-webkit-animation-delay: 8s;
}
#backgroundchange div:nth-of-type(2) {
animation-delay: 6s;
-webkit-animation-delay: 6s;
}
#backgroundchange div:nth-of-type(3) {
animation-delay: 4s;
-webkit-animation-delay: 4s;
}
#backgroundchange div:nth-of-type(4) {
animation-delay: 2s;
-webkit-animation-delay: 2s;
}
#backgroundchange div:nth-of-type(5) {
animation-delay: 0;
-webkit-animation-delay: 0;
}
#backgroundchange div {
animation-name: backgroundchangeFadeInOut;
animation-timing-function: ease-in-out;
animation-iteration-count: infinite;
animation-duration: 8s;
-webkit-animation-name: backgroundchangeFadeInOut;
-webkit-animation-timing-function: ease-in-out;
-webkit-animation-iteration-count: infinite;
-webkit-animation-duration: 8s;
}<div class="inner">
<div id="backgroundchange">
<div class="backgroundimg" id="back1"></div>
<div class="backgroundimg" id="back2"></div>
<div class="backgroundimg" id="back3"></div>
<div class="backgroundimg" id="back4"></div>
<div class="backgroundimg" id="back5"></div>
</div>
</div>它需要2秒的每个图像交叉衰减到接下来，我试图通过在每个类型中增加一秒来将其更改为3秒，但不起作用。我需要你的帮助！
你能告诉你试过吗？ – IiroP
你试过0,3,6,9,12吗？ – Pete
@IiroP我加了一个小提琴 –