SI19/css/style.css

        body {
            background-color: black;
            margin-top: 20%;
            margin-left: 50%;
            margin-right: 10%;
            color: #AB00FF;
            animation: blink 3s infinite alternate;
          
        }
        
		@keyframes blink {
                  0% { background: black }
                  100% { background: white }
                }