body{
	background: url('https://images.cnblogs.com/cnblogs_com/mozisss/1535120/o_aaa.jpg') no-repeat fixed top;
        background-size:100% 100%;
}

#topTable{
	background:rgba(0,0,0,0.5);
        margin:20px;
	border-radius: 15px;
        width:auto;
        color: #918278;
}
.banner{
			padding: 30px;
			border-radius: 15px;

}
 #leftTable{
            background:rgba(0,0,0,0.7);
            margin:20px;
            border-radius: 15px;
            color: #918278;
        }
        #rightTable{
            background:rgba(0,0,0,0.7);
            margin:20px;
            border-radius: 15px;
            color: #918278;
        }