body{
    background: radial-gradient(circle at top left, #f55, transparent 70%), radial-gradient(circle at top right, #ff5, transparent 70%), radial-gradient(circle at bottom left, #5F5, transparent 70%), radial-gradient(circle at bottom right, #55f, transparent 70%), radial-gradient(circle at 50% 50%, #5ff, transparent 60%) !important;
    width:100vw;
    height:100vh;
}