article {
  padding: 20px;
  overflow: hidden; }

header {
  background-image: url("../images/head1.jpg"); }
  @media only screen and (max-width: 650px) {
    header p {
      display: none; } }

nav li a {
  color: #357983; }
  nav li a:hover {
    color: #999; }

#contributor-list {
  margin: -20px; }

.contributor {
  float: left;
  width: 50%;
  padding: 0.7rem 0;
  line-height: 1em;
  text-align: center;
  border: 1px solid transparent; }
  .contributor a {
    display: block;
    margin: -0.7rem 0;
    padding: 0.7rem 0;
    text-shadow: 1px 1px 0 #fff; }
    .contributor a img {
      max-height: 200px;
      padding: 0 0.7rem;
      border: none; }
    .contributor a:hover {
      text-decoration: none;
      background-color: rgba(0, 0, 0, 0.1); }
      .contributor a:hover img {
        opacity: 0.8; }
  .contributor:hover {
    background-color: #eee;
    border: 1px solid #fff;
    opacity: 0.9; }
  .contributor .small,
  .contributor a .small {
    color: #666;
    font-size: 0.9em;
    font-weight: normal; }