div#site {
z-index:1;
width:776px;
text-align:left;
position:relative;
height:480px;
overflow:hidden;
margin:0 auto;
}

div.tools {width:560px; height:auto; margin:0 auto; position:relative; }

div.tools a {float:left; margin-right:35px;}

div.tools a.alert {background: url(../img/tools.gif) left bottom; width:130px; height:30px; display:block; display:none;}
div.tools a.alert:hover { background: url(../img/tools.gif) left top;}

div.tools a.super {background: url(../img/tools.gif) -130px bottom; width:166px; height:30px; display:block; display:none;}
div.tools a.super:hover { background: url(../img/tools.gif) -130px top;}

div.tools a.sender {background: url(../img/tools.gif) -296px bottom; width:153px; height:30px; display:block; display:none;}
div.tools a.sender:hover { background: url(../img/tools.gif) -296px top;}

a.twitter img.icon_twt{margin:0px; padding:0px; position:relative; top:20px; left:-660px;}
a.twitter, a.twitter:visited{display:block;background:url(../img/twittericon.jpg) no-repeat 20px 20px; width:99px; height:100px;}
a.twitter:hover{background:url(../img/twt_hover.jpg) no-repeat 20px 20px; width:352px; height:100px;}