body{
    background-color: #F0F0F0;
}
.center{
    width: 1000px;
    margin: 0 auto;
    padding-bottom: 100px;
    padding-top: 80px;
}

.box{
    margin-top: 20px;
    height: 100px;
    background-color: white;
    padding-top: 30px;
    padding-left: 30px;
}

.title{
    font-size: 20px;
    font-weight: bolder;
    margin-top: 40px;
    margin-bottom: 30px;
}

.box .l1{
    font-size: 20px;
    font-weight: bolder;
    margin-bottom: 20px;
}
.box a{
    color: #000;
}