html, body {
  height: 100%;
  width: 100%;
  font-family:Verdana, Geneva, Tahoma, sans-serif;
}

.gallery figure {
  float:left;
  width:30%;
  border:1px solid black;
  margin:10px 30px 10px 0; 
}
.gallery img {
  width:100%;
  margin:0;
  padding:0;
}
.gallery figcaption {
  padding:3px;
}

/* Keep the gallery article from overflowing into the next article, section, or footer. */
.clear {clear:both}