.clearfix:after {
    content: ".";
    display: block;
    clear: both;
    visibility: hidden;
    line-height: 0;
    height: 0;
    font-size: 0;
}

.clearfix {
    *zoom: 1;
}

.Cooldog_container {
    width: 1200px;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.Cooldog_container .Cooldog_content {
    position: absolute;
    width: 560px;
    height: 560px;
    top: 0;
    left: 50%;
    margin-left: -249px;
}

.Cooldog_container .Cooldog_content li {
    position: absolute;
    top: 0;
    left: 0;
    width: 560px;
   
    transition: all 0.3s 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;
    width: 126px;
    height: 179px;
    position: absolute;
    top: 21px;
    z-index: 50;
    color: #fff;
    line-height: 179px;

}

.Cooldog_container .btn_left {
    text-align: left;
    left: 0;
    top: 250px;
    display: inline;
    width: 54px;
    height: 54px;
    background: url(../images/l.png) center no-repeat;
}

.Cooldog_container .btn_right {
    text-align: right;
    right: 0;
    top: 250px;
    display: inline;
    width: 54px;
    height: 54px;
    background: url(../images/r.png) center no-repeat;
}

.Cooldog_container i {
    font-size: 50px;
}



.p1 {
    transform: translate3d(-270px, 0, 0) scale(0.81);
    opacity: 0.4;
    z-index: 1;
}

.p2 {
    transform: translate3d(-270px, 0, 0) scale(0.81);
    transform-origin: 0 50%;
    opacity: 0.6;
    z-index: 2;
}

.p3 {
    transform: translate3d(-270px, 0, 0) scale(0.81);
    transform-origin: 0 50%;
    opacity: 0.8;
    z-index: 3;
}

.p4 {
    transform: translate3d(-30px, 0, 0) scale(1);
    opacity: 1;
    z-index: 4;
}

.p5 {
    transform: translate3d(310px, 0, 0) scale(0.81);
    transform-origin: 0 50%;
    opacity: 0.8;
    z-index: 3;
}

.p6 {
    transform: translate3d(310px, 0, 0) scale(0.81);
    transform-origin: 0 50%;
    opacity: 0.6;
    z-index: 2;
}

.p7 {
    transform: translate3d(310px, 0, 0) scale(0.81);
    transform-origin: 0 50%;
    opacity: 0.4;
    z-index: 1;
}