fix(css/main_live.css): adjust table width in tutorial contents
fix(css/main_live.css): adjust table width in tutorial contents

fpvandoorn/tutorial,soonhokong/lean-tutorial,avigad/tutorial,leanprover/tutorial,Hodapp87/cs6460_project,soonhokong/lean-tutorial,cjmazey/fork_leanprover_tutorial,cjmazey/fork_leanprover_tutorial,cjmazey/fork_leanprover_tutorial,leanprover/tutorial,fpvandoorn/tutorial,Hodapp87/cs6460_project,avigad/tutorial,leanprover/tutorial,soonhokong/lean-tutorial,fpvandoorn/tutorial,avigad/tutorial,Hodapp87/cs6460_project