article {
  text-align: center;
  margin: 0 auto;
  width: 90%;
  max-width: 800px; }

section {
  text-align: left;
  margin-bottom: 50px; }

#member {
  text-align: center; }
  #member p {
    border: solid 2px #000;
    margin: 0 auto; }
  #member a {
    display: block;
    padding: 12px 20px; }
  #member a:hover {
    background: #ECECEC; }

@media screen and (max-width: 480px) {
  article {
    width: 96%; } }