html, body {
  height: 100%;
  margin: 0;
  font-family: sans-serif;
  font-weight: 300;
  font-size: 12px;
  line-height: 16px;
}

body {
  text-align: center;
}

h1, h2 {
  margin: 0;
}

textarea {
  margin: 10px;
}
select {
  margin: 5px;
}

#file_upload {
  width: 80px;
  margin: 5px;
}

canvas {
  margin: 5px;
  box-shadow: 0 0 5px black;
  user-select: none;
}

#imagePixel,
#imageThreshold {
  display: none;
}

#output {
  background-color: white;
}

.box {
  display: inline-block;
}