a {
color: #000000;
border: 1px solid;
background-color: #AAAAAA;
padding: 2px;
padding-left: 3px;
font: 11px Arial, sans-serif;
font-weight: bold;
text-decoration: none;
border-color: #FFFFFF #000000 #000000 #FFFFFFF;
display: block;
margin: 0px;
width: 100%;
text-align: left;
} 

a:hover {border: 1px solid;
padding-left: 4px;
padding-top: 3px;
padding-bottom: 1px;
padding-right: 1px;
background-color: #666666;
border-color: #000000 #FFFFFF #FFFFFF #000000;
color: #FFFFFF;
text-decoration: none;}

.buttons a {background-color: #D4D4D4;
            margin-left: 2px;}
.invita a {color:#0000ff; background-color: #FFFFFF; border: 0; text-decoration: underline;
            margin-left: 2px; text-align: center;
}