Really simple CSS page load fade-in

This is a really neat, lightweight and simple was to add a fade in onto your page when it loads.

body {
    animation: fadeInAnimation ease 1s;
    animation-iteration-count: 1; 
    animation-fill-mode:forwards;
}


@keyframes fadeInAnimation { 
    0% { 
        opacity: 0; 
    } 
    100% { 
        opacity: 1; 
     } 
}