.button-stage {
    min-height: 70vh;
    display: grid;
    place-items: center;
}

.gold-rim {
    width: calc(5cm + 6mm);
    aspect-ratio: 1;
    padding: 3mm;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: radial-gradient(circle at 30% 30%, #ffd86e, #d4af37 35%, #9a7d24 60%, #b8860b 100%);
    box-shadow:
        inset 0 0.35rem 0.65rem rgba(255, 255, 255, 0.45),
        inset 0 -0.55rem 0.9rem rgba(0, 0, 0, 0.35),
        0 0.7rem 1rem rgba(0, 0, 0, 0.3);
}

.red-button-metal-rim {
    width: 5cm;
    aspect-ratio: 1;
    border: 0;
    border-radius: 50%;
    background: #ff2600;
    color: #ffffff;
    cursor: pointer;
    font: inherit;
    font-size: 1.05rem;
    font-weight: 650;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    box-shadow:
        inset 0 0.3rem 0.45rem rgba(255, 255, 255, 0.4),
        inset 0 -0.35rem 0.6rem rgba(0, 0, 0, 0.35);
}