.thumbnail {
    width: 5em;
    left: 0;
    right: 0;
}

.thumbnail_alt {
    width: 150px;
    left: 0;
    right: 0;
}

* {
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
}

#content {
    min-height: 100%;
}

#main {
    overflow: auto;
    padding-bottom: 100px;
}

footer {
    position: relative;
    height: 100px;
    margin-top: -100px;
    clear: both;
}

a {
    color: black;
    text-decoration: none !important;
}

a:hover 
{
    color: black; 
    text-decoration:none !important; 
    cursor:pointer;  
}

.tab {
    display: inline-block;
    margin-left: 2em;
}