body { margin: 0; } #overlay { position: fixed; /* Sit on top of the page content */ width: 100%; /* Full width (cover the whole page) */ height: 100%; /* Full height (cover the whole page) */ top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(0,0,0,0.5); /* Black background with opacity */ z-index: 2; /* Specify a stack order in case you're using a different order for other elements */ cursor: pointer; /* Add a pointer on hover */ } #text{ position: absolute; top: 50%; left: 50%; font-size: 50px; color: white; transform: translate(-50%,-50%); -ms-transform: translate(-50%,-50%); } #text { animation: spin 1.75s linear infinite; } @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }