.title{
    width: 960px;
    height: 50px;
    line-height: 50px;
    font-size: 50px;
    text-align: center;
    margin: 10px auto;
}
.content{
    width:960px;
    /* border:1px solid #666; */
    margin:auto;
}
.list_title{
    width:960px;
    height:50px;
    margin:0;
    line-height: 50px;
    border-bottom: 2px solid rgba(146, 194, 232, 1);
}
.list_title h3{
    float: left;
    margin: 0;
    color: #fff;
    padding: 0 10px;
    background-color: rgba(30, 122, 197, 1);
    cursor:pointer;
}
#grade2017{
    color: rgba(30, 122, 197, 1);
    background-color: #fff;
    cursor:pointer;
}
.ul_wrap{
    width:960px;
    overflow:hidden;
    margin: 20px auto 0;
}
.ulcontent{
    padding: 0 0 0 20px;
    width:960px;
    margin:auto;
    overflow: hidden;
}
.ulcontent li{
    float: left;
    width: 200px;
    height: 150px;
    margin: 0 40px 0 0;
}
.pic_con{
    width: 200px;
    height: 150px;
    margin: 0;
    position: relative;
    overflow: hidden;
}
.pic_info{
    position: absolute;
    left: 0;
    top: 150px;
    width: 180px;
    height: 150px;
    background-color:rgba(0, 0, 0, 0.3);
    color: #fff;
    padding: 10px;
    transition: all 500ms ease;
	cursor:pointer;
}
.pic_con:hover .pic_info{
    top: 0px;
}
.pic_info a{
    font-size: 20px;
    height: 20px;
    line-height: 20px;
    color: #fff;
    overflow: auto;
}
.pic_info p{
    padding-top: 10px;
    font-size:medium;
    height: 100px;
    overflow: auto;
}
@keyframes more {
    from{
        transform: scale(1,1);
    }
    to{
        transform: scale(1,0.5);
    }
}
.loadingmore{
    width: 200px;
    height: 150px;
    margin: auto;
}
.loadingmore p{
    text-align: center;
    margin: auto;
}
.loadingmore div{
    width: 30px;
    height: 100px;
    float: left;
    margin: 10px;
    border-radius: 20px;
    animation: more 500ms ease infinite alternate-reverse;
}
.loadingmore div:nth-child(1){
    background-color: rgba(0, 0, 0, 0.3);
    animation-delay: 50ms;
}
.loadingmore div:nth-child(2){
    background-color: rgba(146, 194, 232, 0.5);
    animation-delay: 100ms;
}
.loadingmore div:nth-child(3){
    background-color: rgba(30, 122, 197, 0.5);
    animation-delay: 150ms;
}
.loadingmore div:nth-child(4){
    background-color: rgba(33, 149, 243, 0.5);
    animation-delay: 200ms;
}
.footer{
    width:960px;
    overflow:hidden;
    margin: 20px auto 0;
    text-align:center;
}
.footer a{
    color: rgba(0, 0, 0, 0.5);
}