#demo-3 {
  position: relative;
  float: left;
  min-height: 100vh;
  width: 100%;
  cursor: pointer;

  display: flex;
  flex-wrap: wrap;
}

#demo-3 figure {
  position: relative;
  float: left;
  clear: none;
  margin: 7px 0px 0px 7px;
  height: 100%;
  font-family: Arial, Helvetica, sans-serif;
}

#demo-3 img {
  position: relative;
  float: left;
  width: 100%;
  cursor: pointer;
  margin-bottom: 1px;
}

#demo-3 figcaption {
  position: relative;
  float: left;
  clear: both;
}