@keyframes fa-spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.ajax-loading-spinner {
    position: relative;
    height: 100px;
    margin: 50px auto;
}
.ajax-loading-spinner .ajax-cog {
    position: absolute;
    background-image: url(/images/kundlofte_tillsammans.png);
    background-position: center;
    background-size: cover;
    -webkit-animation: fa-spin 3.5s infinite linear;
    animation: fa-spin 3.5s infinite linear;
    width: 100px;
    height: 100px;
    text-align: center;
    display: block;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}