tobspr_shapez.io/src/css/ingame_hud/mass_selector.scss

#ingame_HUD_MassSelector {
    position: absolute;
    @include S(top, 50px);
    left: 50%;
    transform: translateX(-50%);
    @include S(width, 300px);
    background: #f77;
    @include S(border-radius, 4px);
    @include S(padding, 10px);
    @include PlainText;
    color: #fff;

    .keybinding {
        position: relative;
        top: unset;
        left: unset;
        right: unset;
        bottom: unset;
    }
}