.ring-loading {
 width: 10px;
 height: 10px;
 padding: 15px!important;
 border: 7px dashed #000;
 border-radius: 100%;
 display: none;
 margin: 10px auto!important;
 animation: loadingD 1.5s 0.3s cubic-bezier(0.17, 0.37, 0.43, 0.67) infinite;
}
@keyframes loadingD {
 0% {
       transform: rotate(0deg);
   }
 50% {
   transform: rotate(180deg);
   }
 100% {
   transform: rotate(360deg);
   }
}