html body{
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #168BD8;
}
canvas{
    background: #fff;
    box-shadow: -8px 8px 15px #666;
    float: right;
}
.box{
    width: 80%;
    height: 70%;
    position: absolute;
    left: 0;top: 0;right: 0;bottom: 0;
    margin: auto;
}

.nav{
    float: left;
    width: 18%;
    height: 100%;
    perspective: 2000px;
}
.file{
    width: 80%;
    height: 12%;
    margin: 9% auto;
    box-sizing: border-box;
    position: relative;
}
.file_one .in_file div{
    background: rgb(153,204,51);
}
.file_self{
    box-sizing: border-box;
    background: rgb(153,204,51);
    width: 100%;
    height: 100%;
    border-radius: 10%;
    transform-origin: left;
    transition: 0.5s ease transform;
    font-size: 25px;
    font-family: "iconfont";
    /*padding-top: 9%;*/
    text-align: center;
    color: #000;
    cursor: pointer;
}
.draw{
    background: rgb(239,215,0);
    width: 100%;
    height: 100%;
    border-radius: 10%;
    margin: 9% auto;
}
.file_two .in_file div{
    background: rgb(239,215,0);
}
.color{
    background: rgb(255,249,177);
    width: 100%;
    height: 100%;
    border-radius: 10%;
}
.file_three .in_file div{
    background: rgb(255,249,177);
}
.leixing{
    background: rgb(98,90,5);
    width: 100%;
    height: 100%;
    border-radius: 10%;
}
.file_four .in_file div{
    background: rgb(98,90,5);
}
.xiankuan{
    background: rgb(78,190,186);
    width: 100%;
    height: 100%;
    border-radius: 10%;
}
.file_five .in_file div{
    background: rgb(78,190,186);
}
.xiangpi{
    background: rgb(0,255,255);
    width: 100%;
    height: 100%;
    border-radius: 10%;
}
.file_six .in_file div{
    background: rgb(0,255,255);
}
@font-face {font-family: 'iconfont';
    src: url('../node_modules/iconfont/iconfont.eot'); /* IE9*/
    src: url('../node_modules/iconfont/iconfont.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
    url('../node_modules/iconfont/iconfont.woff') format('woff'), /* chrome、firefox */
    url('../node_modules/iconfont/iconfont.ttf') format('truetype'), /* chrome、firefox、opera、Safari, Android, iOS 4.2+*/
    url('../node_modules/iconfont/iconfont.svg#iconfont') format('svg'); /* iOS 4.1- */
}
.file .in_file{
    display: block;
    opacity: 0;
    transform-origin: right;
    transform: rotateY(-90deg);
    width:45%;
    height: 150%;
    position: absolute;
    right: 0;top: 10%;
    z-index: 100;
    transition: 1s ease all;
}
.file .in_file div{
    box-sizing: border-box;
    border-radius: 5%;
    margin: 10% 0;
    width: 100%;
    height: 30%;
    line-height: 140%;
    text-align: center;
    color: #000;
    font-size: 18px;
    cursor: pointer;
}
.box_btm{
    float: right;
    position: relative;
}
.xp{
    width: 10px;
    height: 10px;
    border: 1px solid #000;
    position: absolute;
    left: 0;top: 0;
    display: none;
}
.copy{
    position: absolute;
    left: 0;top: 0;
    width: 100%;
    height: 100%;
}