div#body_wrapper4{
    width:1200px;

}
div#body_wrapper4 article {
    width: 629px;
    height: 642px;
    background-color: ghostwhite;
    border: solid 1px darkgray;
    padding-right: 38px;
}
div#body_wrapper4 aside{
    width: 300px;
    margin-left: 15px;
}

div#body_wrapper4 article div{
    width: 667px;
    height: 54px;
    background-color: gainsboro;
    margin-top: 2px;

}
div#body_wrapper4 article div h5{
    font-size: 30px;
    text-align: left;
    margin-left: 20px;
    padding-top: 10px;
    font-family: 楷体;
    color: crimson;
}
div#body_wrapper4 article div ul{
    margin-top: 20px;
    border-bottom: solid 3px darkgray;
}
div#body_wrapper4 article div li{
  display: block;
    margin-left: 20px;
    font-size: 20px;
    margin-top: 10px;
    background-color: gainsboro;
    /*width:300px ;*/
    padding-top: 20px;
}
div#body_wrapper4 article section {
    width: 667px;
    height: 680px;
    background-color:gainsboro;
    margin-left: 0px;
}
div#body_wrapper4 article div img{
    width: 550px;
    height: 400px;
    margin-left: 55px;
    margin-top: 10px;
}
div#body_wrapper4 article div img:hover{
    width: 800px;
    height: 600px;
    margin-left: -50px;
    margin-top: -250px

}