.main {
width: 516px;
height: 400px;
position: absolute;
left: 50%;
top: 50%;
margin: -200px 0 0 -258px;
display: inline-block;
overflow: hidden; background:url(images/404_img.png) no-repeat top center;}

p {
width: 350px;
text-align: left;
font: 14px/1.5 arial,"Microsoft Yahei","微软雅黑","Hiragino Sans GB",sans-serif;
color: #333;
position:relative;
top:220px;
left:160px;
}
.fhsy { color:#e2232a; text-decoration:none;	
}
.fhsy:hover {color:#e2232a; text-decoration:underline;
}