.Tumbler-Button {
    position: relative;

    flex-shrink: 0;

    margin: 0;
    padding: 0;

    cursor: pointer;
    -moz-user-focus: ignore;

    border: none;
    outline: 0;
}

.Tumbler-Button::-moz-focus-inner {
    padding: 0;

    border: 0;
}

.Tumbler-Button::after {
    position: absolute;

    content: '';
}