body {
    overflow: hidden;
    animation: fade 90s infinite;
    background: #bbe2f8;
}

@keyframes fade {
    50% { background: #579cbc; }  /* Change to the color you want */
}

        .rain {
            position: absolute;
            top: 0;
            left: 0;
            pointer-events: none;
            overflow: hidden;
            width: 100vw;
            height: 100vh;
			z-index: -1; 
        }

        .drop {
            background: #6bbbe0;
            width: 1px;
            height: 90px;
            position: absolute;
            bottom: 100%;
            animation: fall linear infinite;
        }

        @keyframes fall {
            to {
                transform: translateY(100vh);
            }
        }