.game_div {
display: none;
}

.control_panel > button {
	width: 9vh;
	height: 4.5vh;
	font-size: 1.75vh;
}

#control_panel_id[data-game_no="01"] #game_01 {
	display: block;
}

#control_panel_id[data-game_no="02"] #game_02 {	
	display: grid;
}