div.titlemenu_dolphin{ margin:20px auto;
padding:0px;
width:100%;
background:transparent;
}

div.titlemenu_dolphin a.titlemenu_dolphin:link,div.titlemenu_dolphin a.titlemenu_dolphin:visited,div.titlemenu_dolphin a.titlemenu_dolphin:active{
display:block;
text-decoration: none;
font-size:14px;
height:28px;
text-align:left;
background:#f7f7f7;
border-bottom:1px solid #E4E4E4; margin-top:5px;
padding-left:35px;
padding-top:5px;
color:#644136;font-family:Microsoft YaHei;
}

div.titlemenu_dolphin a.titlemenu_dolphin:hover{
display:block;
color: #644136; 
text-decoration: none;
height:28px;
font-size:14px;
font-family:Microsoft YaHei;
background:#f4f4f4 url(../images/arrow.gif) 20px center no-repeat;
}