404   .page404{width:745px; padding:190px 0;} .page404 .cont404{width:745px; height:380px; background:url(https://lajwantihospital.com/img/404.gif) left top no-repeat; position:absolute; left:50%; top:50%; margin-left:-372px; margin-top:-190px;} .page404 .cont404 a{position:absolute; border:3px solid #59A80D; font-size:18px; color:#59A80D; height:39px; line-height:39px; width:137px; text-align:center; font-family:"微软雅黑"; text-decoration:none} .page404 .cont404 a:hover{border-color:#F35B18; color:#F35B18;} .page404 .cont404 .return_home{bottom:0; right:208px;}      返回首页