.App {
  text-align: center;
}

.App-header {
  background-color: #222;
  height: 150px;
  padding: 20px;
  color: white;
}

.gallery {
  padding: 2em;
}

.placeholder {
  height: 30em;
  background-color: #000;
  font-size: 3em;
  color: #fff;
}

.gallery .image {
  display: inline-block;
  font-size: 0;
}

.gallery .big-image {
  width: 60%;
  height: auto;
}

.gallery .fix-size {
  width: 300px;
  height: auto;
}

.gallery .image img,
.gallery .image canvas {
  width: 100%;
  height: auto;
}