@-webkit-keyframes simpleSpin {
    0% {
        -webkit-transform: translate(-50%, -50%) rotateZ(0deg);
        transform: translate(-50%, -50%) rotateZ(0deg);
    }

    100% {
        -webkit-transform: translate(-50%, -50%) rotateZ(360deg);
        transform: translate(-50%, -50%) rotateZ(360deg);
    }
}

@keyframes simpleSpin {
    0% {
        -webkit-transform: translate(-50%, -50%) rotateZ(0deg);
        transform: translate(-50%, -50%) rotateZ(0deg);
    }

    100% {
        -webkit-transform: translate(-50%, -50%) rotateZ(360deg);
        transform: translate(-50%, -50%) rotateZ(360deg);
    }
}