.GrammarFairy-basic-learning { display: flex; } .GrammarFairy-basic-learning-word { width: 300px; height: 100px; background-color: #d9d9d9; margin-right: 10%; display: flex; justify-content: center; align-items: center; } .GrammarFairy-basic-learning-explanation { width: 300px; height: 100px; display: flex; justify-content: center; align-items: center; }