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.s1｛
font-size:16px;
font-family:Verdana,Arial,Helvetica,sans-serif;
text-decoration:none;
color:#ffffff;
border-right:#ffffff 1px solid;
border-left:#ffffff 1px solid;
border-top:#ffffff 1px solid;
border-bottom:#ffffff 1px solid;
padding-right: 15px;
padding-left: 15px;
padding-top: 5px;
padding-bottom: 15px;
background: none
