.sweet_loader {
    width: 140px;
    height: 140px;
    margin: 0 auto;
    animation-duration: 0.5s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-name: ro;
    transform-origin: 50% 50%;
    transform: rotate(0) translate(0,0);
}

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