html, body{
  background-color: #f9f9f9;
  height: 100%;
}

.clear{clear: both;}
.left{float: left;}
.right{float: right;}

.tp1{background: url('../images/cloud.gif') #f9f9f9; text-align: center; margin:0 auto; z-index:0;}
.tp1{background-size: 1920px 380px;}