html {
    height: 100%;
}

.separator-block {
    width: 100%;
    height: 7%;
    background: white;
    margin: 10px 0;
    border-radius: 4px;
    border: 1px solid white;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    height: 100%;
    margin: 0 auto;
    background-color: white;
    min-height: 100vh;
    aspect-ratio: 428/926;
    position: relative;
    overflow-x: hidden;
}

#topImage, #topImage2 {
    border: 1px solid white;
    border-radius: 1px;
    box-sizing: border-box;
    display: block;
    margin-top: 0;
}

#topImage {
    max-width: 100%;
}

#topImage2 {
    max-width: 80%;
}

#scratchCanvas {
    width: 100%;
    margin: 0;
    border: 1px solid white;
    box-sizing: border-box;
    z-index: 1;
    mix-blend-mode: multiply;
}

.bubble {
    opacity: 0;
    position: absolute;
    bottom: 5%;
    left: var(--pos, 5%);
    width: 30%;
    height: 30%;
    animation: rise 8s linear infinite;
    z-index: 2;
    pointer-events: none;
    animation-delay: calc(var(--delay, 0) * 1s);
    background: url('bluepink1.png') no-repeat center/contain;
}

@keyframes rise {
    0% { transform: translateY(0) scale(1); opacity: 0; }
    20% { opacity: 1; transform: translateY(-10vh) scale(1); }
    80% { opacity: 1; }
    100% { transform: translateY(-80vh) scale(0.8); opacity: 0; }
}