.fa-spin-hover:hover {
    animation: fa-spin 2s infinite linear;
}
@-webkit-keyframes fa-spin{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}100%{-webkit-transform:rotate(359deg);transform:rotate(359deg)}}
@keyframes fa-spin{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}100%{-webkit-transfo rm:rotate(359deg);transform:rotate(359deg)}}