#loader { 
            border: 12px solid #f3f3f3; 
            border-radius: 50%; 
            border-top: 12px solid #444444; 
            width: 70px; 
            height: 70px; 
            animation: spin 1s linear infinite;
        } 
          
@keyframes spin { 
       100% { 
                transform: rotate(360deg); 
            } 
        } 
          
.centerload {
            position: absolute;
            top: 0; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            margin: auto; 
        }