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网页banner的动画实现

作者:龙 时间:2018-07-16 浏览:

随着互联网技术的发展,目前pc站的特效也越来越多,下面分享一种css3动画实现banner的一种特效

<html>
<!--在这里插入内容-->
<ul class="box">
	<li><span>&nbsp;</span></li>
	<li><span>&nbsp;</span></li>
	<li><span>&nbsp;</span></li>
	<li><span>&nbsp;</span></li>
</ul>
</html>
.box 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;
    -webkit-animation: imageAnimation 24s linear infinite 0s;
    -moz-animation: imageAnimation 24s linear infinite 0s;
    -o-animation: imageAnimation 24s linear infinite 0s;
    -ms-animation: imageAnimation 24s linear infinite 0s;
    animation: imageAnimation 24s linear infinite 0s;
}


.box li:nth-child(1) span {
    background-image: url(../images/banner1.jpg);
}
.box li:nth-child(2) span {
    background-image: url(../images/banner2.jpg);
    -webkit-animation-delay: 6s;
    -moz-animation-delay: 6s;
    -o-animation-delay: 6s;
    -ms-animation-delay: 6s;
    animation-delay: 6s;
}
.box li:nth-child(3) span {
    background-image: url(../images/banner3.jpg);
    -webkit-animation-delay: 12s;
    -moz-animation-delay: 12s;
    -o-animation-delay: 12s;
    -ms-animation-delay: 12s;
    animation-delay: 12s;
}
.box li:nth-child(4) span {
    background-image: url(../images/banner4.jpg);
    -webkit-animation-delay: 18s;
    -moz-animation-delay: 18s;
    -o-animation-delay: 18s;
    -ms-animation-delay: 18s;
    animation-delay: 18s;
}
/* Animation for the slideshow images */
@-webkit-keyframes imageAnimation { 
	0% {
	    opacity: 0;
	    -webkit-animation-timing-function: ease-in;
	}
	8% {
	    opacity: 1;
	    -webkit-transform: scale(1.05);
	    -webkit-animation-timing-function: ease-out;
	}
	17% {
	    opacity: 1;
	    -webkit-transform: scale(1.1);
	}
	25% {
	    opacity: 0;
	    -webkit-transform: scale(1.1);
	}
	100% { opacity: 0 }
}
@-moz-keyframes imageAnimation { 
	0% {
	    opacity: 0;
	    -moz-animation-timing-function: ease-in;
	}
	8% {
	    opacity: 1;
	    -moz-transform: scale(1.05);
	    -moz-animation-timing-function: ease-out;
	}
	17% {
	    opacity: 1;
	    -moz-transform: scale(1.1);
	}
	25% {
	    opacity: 0;
	    -moz-transform: scale(1.1);
	}
	100% { opacity: 0 }
}
@-o-keyframes imageAnimation { 
	0% {
	    opacity: 0;
	    -o-animation-timing-function: ease-in;
	}
	8% {
	    opacity: 1;
	    -o-transform: scale(1.05);
	    -o-animation-timing-function: ease-out;
	}
	17% {
	    opacity: 1;
	    -o-transform: scale(1.1);
	}
	25% {
	    opacity: 0;
	    -o-transform: scale(1.1);
	}
	100% { opacity: 0 }
}
@-ms-keyframes imageAnimation { 
	0% {
	    opacity: 0;
	    -ms-animation-timing-function: ease-in;
	}
	8% {
	    opacity: 1;
	    -ms-transform: scale(1.05);
	    -ms-animation-timing-function: ease-out;
	}
	17% {
	    opacity: 1;
	    -ms-transform: scale(1.1);
	}
	25% {
	    opacity: 0;
	    -ms-transform: scale(1.1);
	}
	100% { opacity: 0 }
}
@keyframes imageAnimation { 
	0% {
	    opacity: 0;
	    animation-timing-function: ease-in;
	}
	8% {
	    opacity: 1;
	    transform: scale(1.05);
	    animation-timing-function: ease-out;
	}
	17% {
	    opacity: 1;
	    transform: scale(1.1);
	}
	25% {
	    opacity: 0;
	    transform: scale(1.1);
	}
	100% { opacity: 0 }
}




此时效果就是:banner图在实现透明的变化的时候,还会进行缩放,放大。。。。

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