@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.fer-spinn {
    display: block;
    margin-left: -2px;
}

.fer-spinn:before {
    display: block;
    text-align: center;
    animation: spin 1s linear infinite;
    /* Offset the origin of rotation */
    -webkit-transform-origin: 53.5% 50%;
    -moz-transform-origin: 53.5% 50%;
    -ms-transform-origin: 53.5% 50%;
    -o-transform-origin: 53.5% 50%;;
    transform-origin: 53.5% 50%;
    text-anchor: middle;
}