#clockdiv {
    /* left, center, right */
    text-align: center;
}
body{
    background:url(https://images.cnblogs.com/cnblogs_com/suancai/1640147/o_200201080813timg.jpg) fixed;
}
#home {
margin: 0 auto;
opacity: 0.8;
width: 65%;
min-width: 1080px;
background-color: #fff;
padding: 30px;
margin-top: 50px;
margin-bottom: 50px;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}
.aplayer {
    font-family: Arial,Helvetica,sans-serif; 
    margin: 0px; 
    box-shadow: 0 2px 2px 0 rgba(0,0,0,.14), 0 3px 1px -2px rgba(0,0,0,.2), 0 1px 5px 0 rgba(0,0,0,.12);
    border-radius: 2px;
    overflow: hidden;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    line-height: normal;
}

#navigator{
background-color:dodgerblue;
}