html, body {
  margin: 0;
  padding: 0;
}

canvas {
  margin: auto;
  display: block;
  
}

button {
  background-color: #ddd;
  border: none;
  color: black;
  padding: 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 10px;
}

button.active {
  background-color: #ff9900;
}

.key {
  background-color: #ccc;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  font-weight: bold;
  margin: 5px;
  outline: none;
  padding: 10px;
}

.active {
  background-color: #ffdd99;
}

input {
  left: 40% !important;
  top: 55% !important;
  width: 400px;
}

.inputText {
  position: absolute;
  left: 50% !important;
  top: 73% !important;
  width: 400px;
  font-weight: bold;
  font-size: larger;
}

.video-wrapper {
  position: absolute;
  top: 75.5%;
  left: 50%;
  transform: translate(-50%, -50%);
}