#waiting{position:absolute;width:100%;height:100%;left:0;right:0;top:0;bottom:0;background-color:rgba(255,255,255,0.5);z-index:9999999;display:none}@-webkit-keyframes spin{from{-webkit-transform:rotate(0deg)}to{-webkit-transform:rotate(360deg)}}@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}#waiting::after{content:'';display:block;position:relative;top:40vh;left:40%;width:20%;height:0;padding-bottom:20%;border-style:solid;border-color:black;border-top-color:transparent;border-width:6px;border-radius:50%;-webkit-animation:spin .8s linear infinite;animation:spin .8s linear infinite}