@-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);
    }
}

@-webkit-keyframes bounce { 
    0%, 20%, 80%, 100% {-webkit-transform: translateY(0);} 
    40% {-webkit-transform: translateY(-20px);} 
    60% {-webkit-transform: translateY(-10px);} 
} 

@keyframes bounce { 
    0%, 20%, 80%, 100% {transform: translateY(0);} 
    40% {transform: translateY(-20px);} 
    60% {transform: translateY(-10px);} 
}