.wrapper {
  position: relative;
  width: 350px;
  height: 400px;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.signature-pad {
  position: absolute;
  left: 0;
  top: 0;
  width:350px;
  height:400px;
  background-color: white;
}