#top{
    background: black url(https://b-ssl.duitang.com/uploads/item/201810/27/20181027191516_dvowe.jpg) no-repeat right center;
    background-size: 60%;
    border-top:none;
height:150px;
border:0;
}

#rightmenu{
  top:200px;
border:0;
}

#main{
 padding-top:0;
margin-right:260px;
}