body,
html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: white;
    overflow: hidden;
    /* Prevent scrollbars when circle grows */
    display: flex;
    justify-content: center;
    align-items: center;
}

.circle {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: white;
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.5s ease-in;
    pointer-events: none;
    /* Let clicks pass through if needed, though we click body */
    z-index: 10;
}

.letter {
    position: absolute;
    font-size: 20vmin;
    font-weight: bold;
    font-family: sans-serif;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 20;
    user-select: none;
}

.circle.expand {
    transform: scale(var(--target-scale));
    /* Large enough to cover screen */
}

.no-transition {
    transition: none !important;
}