.sr-only {
  position:absolute;
  left:-10000px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
footer.narrow,
main.narrow {
  align-items: center;
  display: flex;
  flex-direction: column;
  max-width: 550px;
  padding: 15px 0;
  text-align: center;
}
#previewContainer {
  width: 400px;
  height: 400px;
  position: relative;
}
#imageCanvas, #imagePreview {
  width: 356px;
  height: 356px;
  position: absolute;
  left: 0;
}

footer > p {
  font-size: 12pt;
}