:root {
    --button-border-radius: 8px;
}

button {
    width: fit-content;
    height: fit-content;
    margin: 0;
    padding: 8px;
    border: none;
    border-radius: var(--button-border-radius);
    color: var(--color);
    background-color: transparent;
    display: flex;
    justify-content: center;
    align-items: center;
    user-select: none;
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

button:hover {
    background-color: var(--background-color-hover);
    transition: background-color var(--transition-speed);
}

button:active {
    background-color: var(--background-color-active);
    transition: background-color 0s;
}


button.opacity {
    background-color: transparent;
    opacity: 1;
    transition: opacity var(--transition-speed);
}

button.opacity:hover {
    opacity: var(--opacity-hover);
}

button.opacity:active {
    opacity: var(--opacity-active);
    transition: opacity 0s;
}