 /* COLOR 2 */
        border-top-color: #fff;
        -webkit-animation: spin 3s linear infinite;
        /* Chrome, Opera 15+, Safari 5+ */
        -moz-animation: spin 3s linear infinite;
        /* Chrome, Opera 15+, Safari 5+ */
        -o-animation: spin 3s linear infinite;
        /* Chrome, Opera 15+, Safari 5+ */
        -ms-animation: spin 3s linear infinite;
        /* Chrome, Opera 15+, Safari 5+ */
        animation: spin 3s linear infinite;
        /* Chrome, Firefox 16+, IE 10+, Opera */
    