* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-color: #000;
}

#canvas {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
}

.cloud {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    mix-blend-mode: screen;
    transition: all 8s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}