:root{
	
	/* blocks */
	--block-width: 70px;
	--block-height: 70px;
	--block-width-focus: 150px;
	--block-height-focus: 150px;
	
	/* question block */
	--question-block-width: 500;
	--question-block-height: 250px;
	
	/* screen */
	--screen-height: 1100px;

}