html, body {
    height: 100%;
}

/* give the wrapper a padding-bottom and negative margin-bottom equal to the footer height */

.wrapper {
    min-height: 100%;
    height: auto;
    margin: 0 auto -100px;
    padding-bottom: 100px;
}
.footer {
    padding-top: 5px;
    height: 100px;
    background-color: #E7E7E7;
}

.references p {
    text-indent: -2em;
    margin-left: 2em;
    line-height: 1.5;
    margin-bottom: 12px;
}