.glyphicon.spinning {
    animation: spin 1s infinite linear;
    -webkit-animation: spin2 1s infinite linear;
}
@keyframes spin {
    from {
        transform: scale(1) rotate(0deg);
    }
    to {
        transform: scale(1) rotate(360deg);
    }
}
@-webkit-keyframes spin2 {
    from {
        -webkit-transform: rotate(0deg);
    }
    to {
        -webkit-transform: rotate(360deg);
    }
}