table.rankings img.user-image {
    float: left;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    margin-right: 10px;
    margin-top: -2px;
}
input.period {
    display: inline;
    width: auto;
    text-align: center;
}
.dataTables_filter input[type=search] {
    -webkit-appearance: textfield;
}