#menumain_dolphin{
   margin:0;
   white-space:nowrap;
   overflow:hidden;
   height:50px;
}

#menumain_dolphin .mainmenuiner {
    height:50px;
	padding:0;
    line-height:50px;
    overflow:hidden;
    margin:0px; 
}



#menumain_dolphin a.menumain_dolphin:link,#menumain_dolphin a.menumain_dolphin:active,#menumain_dolphin a.menumain_dolphin:visited{
   display:block;
   float:left;
   text-decoration:none;
   text-align:center;
   width:143px;
   color:#fff;
   font: bold 14px/50px Microsoft YaHei;
   
   margin:0px;
}

#menumain_dolphin a.menumain_dolphin:hover{
   display:block;
   float:left;
   color:#fff; 
   text-decoration:none;
   text-align:center;
   width:143px;
   font: bold 14px/50px Microsoft YaHei;
   background-color:#024085;
   margin:0px;
}