It is illegal for liquor stores to sell food or grocery stores to sell any alcohol except beer that is at most 3.2% alcohol.

7-69. Minors, intoxicated persons, etc. (a) No person operating a pool or billiard hall shall permit any intoxicated person to remain in the hall. (b) If alcoholic beverages are permitted on the premises, no operator of a pool or billiard hall shall permit any person under the age of 18 years to enter the hall…