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.fa-spin {
    -webkit-animation: fa-spin 2s infinite linear;
    animation: fa-spin 2s infinite linear;
}
.fa-pulse {
    -webkit-animation: fa-spin 1s infinite steps(8);
    animation: fa-spin 1s infinite steps(8);
}
@-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-transform: rotate(359deg);
    transform: rotate(359deg);
    }
}