DEVICE/BROWSER INFO
		  
      
		  
		  
		  
		  
		  
      
		  
      
      
		  
		  
		  
		  
      
      
		  
		  
		  
		  
		  
		  
		  
		  
		  
		  
		  aatventure
		  
		  *IMPORTANT:* The code at 4.02 is incomplete. You need to add `flex-basis: 0` to the `.not-sidebar` element. Combined with `flex-grow: 666` this essentially means "grow from 0 to an absurdly high proportion of the available space".