CSS Overflow: clamp containers are not monolithic

Test passes if there are 3 columns of 4 lines each, going up to line 12, and ending with an ellipsis (“…”)

Line 1 Line 2 Line 3 Line 4 Line 5 Line 6 Line 7 Line 8 Line 9 Line 10 Line 11 Line 12 Line 13 Line 14