body {
    min-height:100%; 
    position:relative;
}
img.logo {
    height:40px; 
    width:40px;
}

div.footer {
    height: 100%;
}
.footer a {
  color: white;
}
.footer a i {
  font-size:30px;
}
a.thumbnail {
    width: 150px;
    height: 150px;
}
a.thumbnail img {
    width: 150px;
    height: 150px;

}