#footer-content { width:100%; display:table; }

#footer-content div {
    float: left;
    margin-right:30px;
}

#Impa {
    filter: alpha(opacity=70);
    -moz-opacity: 0.7;
    opacity: 0.7;
    width: 100px;
    margin-top: 0px;
}

#Impa:hover {
    filter: alpha(opacity=100);
    -moz-opacity: 1;
    opacity: 1;
}