body{
    margin: 0;
    padding: 0;
    background-color: #3cdaed;
    font:14px/22px "Microsoft YaHei",Verdana,Arial;;
}
.shixiseng_logo{
    width: 210px;
    height: 400px;
    margin: 130px auto 0;
    background: url("img/logo.png") no-repeat;
}
.btn{
    display: block;
    height: 108px;
    width: 530px;
    border: solid 1px #ffffff;
    margin: 30px auto;
    font-size: 22px;
    color: #ffffff;
    line-height: 108px;
    text-align: center;
    text-decoration: none;
    transition: all 1s;

}
.btn:hover{
    color: #1097ad;
    background-color: #ffffff;
}
.slogan{
    width: 280px;
    display: block;
    font-size: 20px;
    color: #ffffff;
    margin: 200px auto 0;

}