#image-feed {
  padding: 15px;
  background-color: #333;
}

#image-feed .fa {
  font-size: 24px;
  display: inline-block;
  background-color: #444;
  color: #777;
  padding: 10px;
  text-align: center;
  border-radius: 5px;
  width: 100%;
}

#image-feed ul {
  list-style: none;
  margin: 10px;
  padding: 0;
  margin: 5px -5px;
}

#image-feed ul:after {
  content: "";
  display: table;
  clear: both;
}

#image-feed ul > li {
  width: 10%;
  float: left;
  padding: 5px;
}

#image-feed ul > li > a { display: block; }

#image-feed ul > li > a > .feed-image {
  width: 100%;
  padding-bottom: 100%;
  background-size: cover;
  border-radius: 5px;
}