.referenceList {
    margin-left: 50px;
}

.referenceList h1 {
    font-size: 3.5em;
}

.referenceList li {
    float: left;
    margin: 25px 45px 25px 45px;
}

.referenceList {
    padding-top: 50px;
    padding-bottom: 50px;
}