.convo #top{
 background:url(../img/top-conv.png) top left no-repeat;
}

#izquierda { 
 width: 553px;
 background:url(../img/conv-izquierda.png) top left no-repeat;
}

#derecha { 
 width: 427px;
}

.convo #derecha a:link { color:#000; border-bottom:1px dotted #616060; text-decoration:none; font-weight:bold;}
.convo #derecha a:visited { color:#000; border-bottom:1px dotted #616060; text-decoration:none; font-weight:bold;}
.convo #derecha a:hover { color:#000; border-bottom:1px solid #000; text-decoration:none; font-weight:bold;}
.convo #derecha a:active { color:#000; border-bottom:1px dotted #616060; text-decoration:none; font-weight:bold;}

.convo #derecha { background:url(../img/conv-derecha.png) top left no-repeat;}
.convo p { color:#000; font-size:12px; text-align:left; margin-bottom:10px; margin-left:80px; margin-right:25px;}
.convo p.uno {margin-top:80px;}