.urlbox-spinner{position:relative}.urlbox-spinner::after{content:'';position:absolute;top:50%;left:50%;width:30px;height:30px;margin:-15px 0 0 -15px;border:5px solid #fff;border-top-color:#333;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin {
  to { transform: rotate(360deg); }
}