#auto{
    width: 100%;
}

#auto>div{
    width: 900px;
    padding: 100px 0 50px 0;
    margin: auto;
}

#title{
    margin: 15px 0;
}

#desc{
    margin-bottom: 30px;
}

#logo,#logo>img{
    max-height: 200px;
}

#listimg>img{
    padding: 10px;
    float: left;
    width: 25%;
}