#error a.back  
{
    background: url("/images/bt_buscador.png") no-repeat scroll left top transparent;
    border: medium none;
    color: #FFFFFF;
    cursor: pointer;
    font-family: Arial,Helvetica,sans-serif;
    font-size: 14px;
    font-weight: bold;
    height: 21px;
    margin: 16px auto 10px;
    padding: 8px 0 11px;
    text-transform: uppercase;
    text-decoration:none;
    width: 144px;
}

.ie8 #error a.back,
.ie9 #error a.back
{
    height: 40px;
    padding: 0;
    line-height:40px;
}


.button {
    background-position: 92% -168px;
    display: block;
    font-size: 14px;
    height: 30px;
    line-height: 25px;
    min-width: 60px;
    padding: 0 26px 0 8px;
}