#code{ 
    font-family:Arial,宋体; 
    font-style:italic; 
    color:green; 
    border:0; 
    padding:2px 3px; 
    letter-spacing:3px; 
    font-weight:bolder; 
  }
  /************欢迎***********/
.nhhy{
	line-height: 80px;
	float:right;
}

.nhhy button{
	width:80px;
	height:30px;
	background:#21c77b;
	text-align: center;
	line-height: 30px;
	color:#fff;
	margin-left:10px;
}