.c-btn { -webkit-appearance: none; appearance: none; display: inline-flex; align-items: center; justify-content: center; width: 50%; height: 50px; padding: 0; border: solid 1px; outline: none; font-size: 20px; text-decoration: none; background: silver; cursor: pointer; } .p-quiz { width: 600px; margin: 50px auto; text-align: center; } .p-ttl { margin: 0 0 20px; } .p-quiz-ttl { margin: 0 0 20px; font-weight: normal; } .p-quiz-next { width: 300px; margin: auto; } .p-quiz-choices { flex-wrap: wrap; width: 100%; margin: 0; padding-left: 0; } .p-quiz-choices__item { list-style: none; margin: 5px; } #result { margin: 1em 0em; font-size: large; font-weight: bold; } .quiz-correct { color: red; font-size: 30px; font-weight: 500; } .quiz-incorrect { color: blue; font-size: 30px; font-weight: 500; } .p-quiz-commentary { font-size: 20px; } .none { display: none; }