.Cooldog_container {
    width:1100px;
    height:350px;
    margin:80px auto;
    position: relative;
    overflow: hidden;
}

.Cooldog_container .Cooldog_content {
    position: absolute;
    width:500px;
    height:320px;
    left:50%;
    margin-left:-249px;
}

.Cooldog_container .Cooldog_content li {
    position: absolute;
    top: 0;
    left: 0;
    width:498px;
    height:320px;
    transition:all 0.8s ease;
}

.Cooldog_container .Cooldog_content li img {
    width: 100%;
    height: 100%;
    vertical-align: middle;
    display: inline-block;
}

.Cooldog_container .btn_left, .Cooldog_container .btn_right {
    display: none;
    position:absolute;
    top:120px;
    width:60px;
    height:60px;
    box-sizing:border-box;
    padding:10px;
    color:#fff;
    z-index:50;
    background-color:#000;
    opacity:0.4;

}
.Cooldog_container .btn_left{
	left:20px;
}
.Cooldog_container .btn_left img{
	width:100%;	
}

.Cooldog_container .btn_right{
    text-align: right;
    right:20px;
}
.Cooldog_container .btn_right img{
	transform:rotateY(180deg);
    width:100%;
}

.Cooldog_container i {
    font-size: 50px;
}
.p1 {
    transform: translate3d(-400px, 0, 0) scale(0.81);
    opacity: 0.4;
    z-index: 1;
}

.p2 {
    transform: translate3d(-350px, 0, 0) scale(0.81);
    transform-origin:0 50%;
    opacity: 0.6;
    z-index: 2;
}

.p3 {
    transform: translate3d(-300px, 0, 0) scale(0.81);
    transform-origin: 0 50%;
    opacity: 0.8;
    z-index: 3;
}

.p4 {
    transform: translate3d(0px, 0, 0) scale(1);
    opacity:1;
    z-index:4;
}

.p5 {
    transform: translate3d(400px, 0, 0) scale(0.81);
    transform-origin: 0 50%;
    opacity:1;
    z-index:3;
}

.p6 {
    transform: translate3d(450px, 0, 0) scale(0.81);
    transform-origin: 0 50%;
    opacity: 0.6;
    z-index:2;
}

.p7 {
    transform: translate3d(500px, 0, 0) scale(0.81);
    transform-origin: 0 50%;
    opacity:1;
    z-index:1;
}