body {
  background-color: rgb(0, 0, 0);
}
button {
  background-color: black;
  border-width: 0;
  color: orange;
  text-size-adjust: 1;
}

.container { 
  height: 100px;
  position: relative;
  border: 3px solid rgb(255, 191, 0); 
}

.vertical-center {
  margin: 0;
  position: absolute;
  color: orange;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

.cont { 
  height: 250px;
  position: relative;
}

.vertical-cent {
  margin: 0;
  position: absolute;
  color: orange;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

#myCanvas {
  background-color: black;
}