body {
color: #000;
background: url("https://images.cnblogs.com/cnblogs_com/yewt01/1211908/o_b639712d719128928e5426f7a166013d.jpg") fixed;
background-size: 1405px;
background-repeat: no-repeat;
font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
font-size: 12px;
min-height: 100%;
}