.info{
    width: 100%;
    height: 800px;
    background: url(/static/pic_icon/heart_back.jpg) no-repeat;
    background-size: 100% 800px;
}

.info h1{
    color: white;
    font-size: 60px;
    text-align: center;
    padding-top: 30px;

}

.info p{
    color: white;
    font-size: 40px;
    padding-left: 30px;
    padding-right: 30px;
    text-align: center;
    margin-top: 30px;
}

.info ul{
    margin-top: 80px;

}

.info ul li{
    float: left;
    margin-left: 20px;
    /* margin-right: 60px; */
}




.info ul li {
    position: relative;
    display: block;
    height: 180px;
    width: 280px;
    padding: 0 10px;
    font-weight: 400;
    /* font-size: 18px; */
    color: black;
    background-color: white;
}




.info ul li img{
    margin-top: 40px;
    padding-right: 20px;
    margin-right: 15px;
    border-right: 2px solid red;
    float: left;
}

.info ul li span{
    display: block;
    font-size: 30px;
    padding-top: 30px;
}





img.back{
    margin-top: -30px;
    width: 100%;
    height: 300px;
}
img.region_pic{
    width:130px;
    height: 100px;
}
img.cell_pic{
    width: 130px;
    height: 100px;
}
img.methods_pic{
    width:120px;
    height: 100px;
}
img.disease_pic {
    width: 120px;
    height: 100px;
}
.cite{
    padding-left: 20px;
    background-color: white;
}
.cite h2{
    font-size: 30px;
    color: blue;

}
.cite p{
font-size: 18px;

}