*{margin:0px;}
#shipin{ width:100%; height:400px;}
#fanhui{display: block; margin-top: 20px;position: absolute;left: 45%;}
#fanhui a{text-decoration: none; font-family: sans-serif; font-weight: 400; color: #0D415B; font-size: 20px; text-align: center;}