#container {
  position: relative;
  width: 800px;
  height: 400px;
  margin: auto;
}

#can1 {
  position: relative;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

#mygui {
  position: relative;
  width: 200px;
  height: 100px;
  display: block;
}

.rightfloat {
  float: right;
  margin: 4px
}

#c1 {
  position: absolute;
  top: 380px;
  left: 0;
  width: 400px;
  height: 20px;
  display: block;
}
#c2 {
  position: absolute;
  top: 380;
  left: 400;
  width: 400px;
  height: 20px;
  display: block;
}