.color {
    display: block;
    float: left;
    margin-right: 10px;
    border: 2px solid #ebebeb !important;
    border-radius: 21px;
    padding: 5px;
    width: 42px;
    height: 42px;
}

.color:hover {
    border-color: #3a89a5 !important;
}