相关疑难解决方法(0)

body {
  height: 100%;
  color: #FFF;
  font: normal 28px/28px'HelveticaWorldRegular', Helvetica, Arial, Sans-Serif;
  background: #222 url('') no-repeat center center fixed;
  overflow: hidden;
  background-size: cover;
  margin: 0;
  padding: 0;
}
.holder {
  height: 100%;
  margin: auto;
}
#s7 {
  width: 100%;
  height: 100%: margin: auto;
  overflow: hidden;
  z-index: 1;
}
#s7 #posts {
  width: 100%;
  min-height: 100%;
  color: #FFF;
  font-size: 13px;
  text-align: left;
  line-height: 16px;
  margin: auto;
  background: #AAA;
}

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    <img src="http://static.tumblr.com/ux4v5bf/ASslogxz4/left.png">
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