我们先来看下效果图：
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HTML代码：
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CSS代码：
@charset "utf-8";
/* CSS Document */
h1{
text-align: center;
color:deepskyblue;
text-shadow: 1px 1px 1px rgba(0,0,0,0.1);/*设置字体的阴影*/
}
/*顶部a标签动画与样式 开始*/
.button{
text-align: center;
height: 80px;
width: 100%;
display: block;
}
.button a{
height: 60px;
width: 60px;
display: inline-block;/*布局属性：内联-块，
使其成为并排显示的块级元素，让其宽高可以编辑，且宽高和内外边距可以超过父级元素*/
text-decoration: none;/*去除下划线*/
line-height: 60px;
border-radius: 50%;
/*设置字符的行高，通常用于自定义的某些样式，字符在顶部或底部时使用，让其上下居中*/
background-color: rgba(104,171,194,0.5);
transition:background-color 0.15s linear;/*组合写法*/
/*transition-property 规定设置过渡效果的 CSS 属性的名称。
-duration 规定完成过渡效果需要多少秒或毫秒。
-timing-function 规定速度效果的速度曲线。
-delay 定义过渡效果开始时间。*/
color: white;
}
.button a:hover{
background-color: rgba(255,255,255);
color:#68ABC2;
transition:background-color 0.15s linear;
}
/*顶部a标签动画与样式 开始*/
/*图片的样式与动画 开始*/
.SpanStyle{
width: 100%;
height: 400px;
z-index: 1;
position: absolute;
top: 0;
background-repeat: no-repeat;
background-size: 100% 100%;
background-position: 0 0;
}
.SpanStyle div{
width: 25%;
height: 100%;
float: left;
position: relative;
overflow: hidden;
background-repeat: no-repeat;
}
.SpanStyle div span{
position: absolute;
width: 100%;
height: 100%;
top: 0px;
left: -100%;/*设置元素初始位置，为动画准备*/
z-index: 2;
color: rgba(255,255,255,0);
background-repeat: no-repeat;
background-size: 400% 100%;
}
/*设置图片在元素的位置*/
.SpanStyle div:nth-child(1) span{
background-position: 0% 0px;
}
.SpanStyle div:nth-child(2) span{
background-position: 33.5% 0px;
}
.SpanStyle div:nth-child(3) span{
background-position: 66.5% 0px;
}
.SpanStyle div:nth-child(4) span{
background-position: 100% 0px;
}
/*父级元素下的 某个input标签和 它的类名:选中后匹配元素(单复选框专用) ~
一个父级元素下的div里面的Span元素:匹配元素(第N个) */
/*定义指定的input标签点击后将匹配的元素绑定新图片*/
.Images input.cr-in-img-1:checked ~ .SpanStyle,
.SpanStyle div span:nth-child(1){
background-image: url(../images/1.jpg);
}
.Images input.cr-in-img-2:checked ~ .SpanStyle,
.SpanStyle div span:nth-child(2){
background-image: url(../images/2.jpg);
}
.Images input.cr-in-img-3:checked ~ .SpanStyle,
.SpanStyle div span:nth-child(3){
background-image: url(../images/3.jpg);
}
.Images input.cr-in-img-4:checked ~ .SpanStyle,
.SpanStyle div span:nth-child(4){
background-image: url(../images/4.jpg);
}
/*定义指定的input标签点击后将绑定的新图片所在的元素插入*/
.Images input.cr-in-img-1:checked ~ .SpanStyle div span:nth-child(1),
.Images input.cr-in-img-2:checked ~ .SpanStyle div span:nth-child(2),
.Images input.cr-in-img-3:checked ~ .SpanStyle div span:nth-child(3),
.Images input.cr-in-img-4:checked ~ .SpanStyle div span:nth-child(4)
{
animation: none;
transition: left 0.8s ease-in-out;
left: 0%;
z-index: 10;
}
/*定义指定的input标签点击后将要替换的旧图片所在的元素撤出*/
.Images input:checked ~ .SpanStyle div span{
animation: slideOut 0.8s ease-in-out;
}
@keyframes slideOut{
0%{ left: 0%; }
100%{ left: 100%; }
}
/*图片的样式与动画 结束*/
/*文本动画与样式 开始*/
.Images{
height: 400px;
width: 40%;
text-align: center;
position: relative;
margin: 2% auto 0 auto;
border: 20px solid #fff;
box-shadow: 1px 1px 3px rgba(0,0,0,0.1);
}
.Images input{
display: none;
}
.Images label{
font-style: italic; /*字体样式：倾斜*/
margin-top: 350px;
text-align: center;
width: 25%;
height: 30px;
cursor: pointer;/*光标：手*/
color: #fff; /*字体颜色*/
position: relative;
float: left;
line-height: 34px;
font-size: 24px;/*字号，字体大小*/
z-index: 5;
}
.Images label:before{
content:'';/*绑定文本也可以绑定文件*/
width: 34px;
height: 34px;
background: rgba(130,195,217,0.9);
position: absolute;
left: 50%;
margin-left: -14px;
border-radius: 50%;
box-shadow: 0px 0px 0px 4px rgba(255,255,255,0.3);
z-index:-1;
}
.Images label:after{
width: 1px;
height: 400px;
content: '';
background: -webkit-linear-gradient(top, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 100%);
position: absolute;
bottom: -20px;
right: 0px;
}
.h3Span h3{
position: absolute;
width: 100%;
top: 45%;
z-index: 10;
text-align: center;
opacity: 0;
color: #fff;
text-shadow: 1px 1px 1px rgba(0,0,0,0.1);
transition: opacity 0.8s ease-in-out;
}
.h3Span h3 span{
z-index: 10;
position: absolute;
width: 100%;
left: 0px;
text-align: center;
opacity: 1;
}
.h3Span h3 span:nth-child(1){
font-family: 'NSimSun';
font-size: 50px;
display: block;
letter-spacing: 7px;
}
.h3Span h3 span:nth-child(2){
margin-top: 84px;
letter-spacing: 0px;
background: rgba(104,171,194,0.9);
font-size: 14px;
padding: 10px 0px;
font-style: italic;
transition: opacity 0.8s ease-in-out;
}
.Images input.cr-in-img-1:checked ~ .h3Span h3:nth-child(1),
.Images input.cr-in-img-2:checked ~ .h3Span h3:nth-child(2),
.Images input.cr-in-img-3:checked ~ .h3Span h3:nth-child(3),
.Images input.cr-in-img-4:checked ~ .h3Span h3:nth-child(4){
opacity: 1;
}
/*文本的动画与样式 结束*/
/*页面缩小显示复选框*/
@media screen and (max-width: 1200px) {
.Images input{
display: inline;
width: 22%;
margin-top: 350px;
z-index: 10;
position: relative;
}
.Images label{
display: none;
}
} 
