#cover-spin {
    position:fixed;
    width:100%;
    left:0;right:0;top:0;bottom:0;
    background-color: rgba(255,255,255,0.7);
    z-index:9999;
    display:none;
}

@-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }

#cover-spin::after {
    content:'';
    display:block;
    position:absolute;
    left:48%;top:40%;
    width:200px;height:200px;
    border: 16px solid #f3f3f3;
    border-top: 16px solid #3498db;
    border-radius:50%;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite; 
}

.cover-spin-text{
    display:block;
    font-style:italic;
    position:absolute;
    left:48%;top:65%;
    color:#3498db;
}