#cover-spin {
    position: fixed;
    width: 100%;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background-color:  rgba(255, 255, 255, 0.6);
    z-index: 9999;
}

@-webkit-keyframes spin {
	from {-webkit-transform: rotate(0deg);}
	to {-webkit-transform: rotate(360deg);}
}

@keyframes spin {
	from {transform: rotate(0deg);}
	to {transform: rotate(360deg);}
}

#cover-spin::after {
    content: '';
    display: block;
    position: absolute;
    left: 48%;
    top: 40%;
    width: 40px;
    height: 40px;
    border-style: solid;
    border-color: rgba(9, 8, 99);
    border-top-color: transparent;
    border-width:  4px;
    border-radius: 50%;
    -webkit-animation:  spin .8s linear infinite;
    animation:  spin .8s linear infinite;
}

.box {
    height: 40px;
    width: 40px;
}