#cover-spin {
    position: fixed;
    width: 100%;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background-color: hsla(0, 0%, 100%, .7);
    z-index: 9999
}
@-webkit-keyframes c {
    0% {
        -webkit-transform: rotate(0deg)
    }
    to {
        -webkit-transform: rotate(1turn)
    }
}
@-moz-keyframes c {
    0% {
        -moz-transform: rotate(0deg);
        transform: rotate(0deg)
    }
    to {
        -moz-transform: rotate(1turn);
        transform: rotate(1turn)
    }
}
@-o-keyframes c {
    0% {
        -o-transform: rotate(0deg);
        transform: rotate(0deg)
    }
    to {
        -o-transform: rotate(1turn);
        transform: rotate(1turn)
    }
}
@keyframes c {
    0% {
        -webkit-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg)
    }
    to {
        -webkit-transform: rotate(1turn);
        -moz-transform: rotate(1turn);
        -o-transform: rotate(1turn);
        transform: rotate(1turn)
    }
}
#cover-spin:after {
    content: "";
    display: block;
    position: absolute;
    left: 48%;
    top: 40%;
    width: 40px;
    height: 40px;
    border: 4px solid #373ac3;
    border-top-color: transparent;
    -moz-border-radius: 50%;
    border-radius: 50%;
    -webkit-animation: c .8s linear infinite;
    -moz-animation: c .8s linear infinite;
    -o-animation: c .8s linear infinite;
    animation: c .8s linear infinite
}