body,
html {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

canvas {
  align-self: center;
  width: 100%;
  height: 100%;
  touch-action: none;
}

#drawMode,
#extrudeMode,
#moveMode,
#exitMoveMode,
#vertexEditMode,
#instructions {
  position: absolute;
  z-index: 1;
}

#drawMode {
  top: 10px;
  left: 10px;
}

#extrudeMode {
  top: 50px;
  left: 10px;
}

#moveMode {
  top: 90px;
  left: 10px;
}

#exitMoveMode {
  top: 90px;
  left: 70px;
}

#vertexEditMode {
  top: 50px;
  left: 90px;
}

#instructions {
  position: absolute;
  z-index: 0;
  top: 0;
  left: 0;
  width: 100%;
  font-family: Arial, sans-serif;
  height: 50px; /* Height of the instructions header */
  color: white;
  text-align: center;
  padding-top: 60px; /* Adjust top padding for vertical centering */
  box-sizing: border-box;
  font-size: 30px;
}