body {
    margin: 0;
    background-color: var(--body-bg, #000000);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s ease-in-out;
}

#key-container {
    position: relative;
    width: 6.666vw;
    aspect-ratio: 1 / 1;
    overflow: visible;
    transition: none;
}

@media (max-width: 600px) {
    #key-container {
        width: 20vw;
    }
}

#main-key {
    width: 100%;
    height: 100%;
    border-radius: 7.5%;
    border: none;
    padding: 0;
    background-color: var(--original-color, #AECBFC);
    position: relative;
    z-index: 2;
    transition: transform 0.05s ease-out, background-color 0.5s ease-out;
    outline: none;
    aspect-ratio: 1 / 1;
    pointer-events: all;
    --pressed-color: white;
}

#main-key.pressed {
    transform: translateY(10%);
    background-color: var(--pressed-color);
    pointer-events: none;
    filter: none;
}

#key-container.pressed {
    filter: none;
}

#key-container::after {
    content: '';
    position: absolute;
    top: 10%;
    left: -5%;
    width: 110%;
    height: 110%;
    border-radius: 7.5%;
    background-color: var(--shadow-color, grey);
    z-index: 1;
}