.rotating {
    -webkit-animation: rotating 1s linear infinite;
    -moz-animation: rotating 1s linear infinite;
    -ms-animation: rotating 1s linear infinite;
    -o-animation: rotating 1s linear infinite;
    animation: rotating 1s linear infinite;
}

@-webkit-keyframes rotating /* Safari and Chrome */ {
    from {
        -webkit-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    to {
        -webkit-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes rotating {
    from {
        -ms-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
        -webkit-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    to {
        -ms-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}