body {background-color: pink;}

#lab_parent {
  position: relative;
  margin: auto;
  width: 50%;
}

/* Make the image responsive */
#lab{
  width: 100%;
  min-width: 500px;
  height: auto;
}

.labControl{
   position: absolute;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  background-color: #555;
  color: white;
  font-size: 16px;
  padding: 12px 24px;
  border: none;
  cursor: pointer;
  border-radius: 5px;
}

 .btn:hover {
  background-color: black;
}

/* Style the button and place it in the middle of the container/image */
#right {
  top: 80%;
  left: 80%;
}

#left {
  top: 80%;
  left: 20%;
}

#contentArea{
    top: 50%;
  left: 49%;
}

#headerText{
 margin: auto;
 width: 50%;
 text-align: center;
}

textarea {
  resize: none;
}