a.button,
a:visited.button{
display: block;
font-family:Verdana;
font-weight:bold;
text-align:right;
color:#000080;
width:150px;
height:24px;
background-color:#FFFFCC;
background-image: url();
text-decoration: none;
padding:4px;
font-size:11px;
}

a:hover.button{
display: block;
background-color:#FFFFCC;
background-image: url(../imagens/bolabotao.gif);
background-repeat: no-repeat
}

a.top_button,
a:visited.top_button{
display: block;
font-family:Verdana;
font-weight:bold;
text-align:right;
color:#000080;
width:150px;
height:24px;
background-color:#FFFFCC;
background-image: url();
text-decoration: none;
padding:4px;
font-size:14px;
}

a:hover.top_button{
display: block;
background-color:#FFFFCC;
background-image: url(../imagens/bolabotao.gif);
background-repeat: no-repeat
}