body {
color: #000;
background: url(https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1511791969895&di=e17d845acbd56bda155c19775550d928&imgtype=0&src=http%3A%2F%2Fimg3.duitang.com%2Fuploads%2Fblog%2F201312%2F05%2F20131205182503_vLPsu.jpeg) fixed;
background-size: 100% 100%;
font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
font-size: 12px;
min-height: 101%;
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