.spinner {
        border: 4px solid rgba(0, 0, 0, .1);
        border-left-color: transparent;
        border-radius: 50%;
      }
      .spinner {
        border: 4px solid rgba(0, 0, 0, .1);
        border-left-color: transparent;
        width: 36px;
        height: 36px;
      }
      
      .spinner {
        border: 4px solid rgba(0, 0, 0, .1);
        border-left-color: transparent;
        width: 36px;
        height: 36px;
        
        animation: spin 1s linear infinite;
      }
      @keyframes spin {
        0% {
          transform: rotate(0deg);
        }
      
        100% {
          transform: rotate(360deg);
        }
      }