HTML


    <svg version="1.1" class="spinner" id="L9" x="0px" y="0px"
      viewBox="0 0 100 100" enable-background="new 0 0 0 0">
    <path
    fill="#fff"
    d="M73,50c0-12.7-10.3-23-23-23S27,37.3,27,50 M30.9,50c0-10.5,8.5-19.1,19.1-19.1S69.1,39.5,69.1,50"
    />
    </svg>
    

CSS


    @keyframes infinite-spinning {
        from {
            transform: rotate(0deg);
       }
        to {
            transform: rotate(360deg);
       }
   }
    .spinner {
        width: 200px;
        height: 200px;
        animation: infinite-spinning 900ms linear infinite;
   }