html, body {
height: 100%;
}
div#content {
display: block;
width: 95%;
height: 100%;
min-width: 20em;
max-width: 100em;
margin: auto;
}
div.tab-content {
padding: 1em;
border-bottom: 1px solid #ddd;
border-left: 1px solid #ddd;
border-right: 1px solid #ddd;
}