a:link,a:visited{text-decoration:none}body{background-image:url(../image/background.jpg);background-position:top}a:link{color:#6495ED}a:visited{color:purple}a:hover{color:#6495ED;text-decoration:underline}#header{padding:10px}#head{border-radius:50%}#main{position:absolute;left:10%;right:10%;padding:1%}#navigate{width:47%;height:100px;float:left}.navi,.naviimg{width:20%}.navi{margin-left:10px;display:inline}#allarticle,.atc{float:left;margin-top:20px;background:#fff;width:100%;height:800px;border-radius:10px;padding:20px}#allarticle-head{border-bottom:5px}.allatc-info{border-bottom:1px solid #EEE;bottom:-1px}.atc-head{border-bottom:5px}.atc-info{border-bottom:1px solid #EEE;height:20px}.atc-content{line-height:160%}#footer{margin-top:10px;float:left}