.swatch li span {
    display: block;
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
}
ul.swatch li.selected {
    cursor: auto;
    background: red;
    color: #fff;
}
.swatch li {
    border: 1px solid #000;
    padding: 2px;
    margin-right: 3px;
    display: inline-block;
    cursor: pointer;
    -webkit-transition: all .3s ease-in-out;
    -moz-transition: all .3s ease-in-out;
    -ms-transition: all .3s ease-in-out;
    -o-transition: all .3s ease-in-out;
    transition: all .3s ease-in-out;
    background: #fff;
    overflow: hidden;
}