html, body {
  -ms-content-zooming: none;
  touch-action: none;
}

body {
  background-color: #FFFFFF;
  color: #333;
  font-family: Helvetica, sans-serif;
}

body, h2, p {
  margin: 0;
  padding: 0;
  overflow: hidden;
}


li {
  list-style-type: none;
}

.imagesSource {
  display: none;
}



#book{
  background-color: #FFFFFF;
  position: fixed;
  -webkit-transform: translate3d(0, 0, 0);
  z-index: 1;
  display: block;
  margin: 0 auto;
  left: 0;
  right: 0;
}

#mainCanvas{
  z-index: 100;
}
button {
  border-radius: 0;
  -webkit-appearance: none;
}
.canvasHolder{
  position: relative;
}

.canvasHolder canvas {
  padding: 0;
  margin-left: auto;
  margin-right: auto;
  display: block;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}

body:after {
content: "";
position: absolute;
color: transparent;
}

@media all and (orientation: portrait) {
body:after {
content: "p";
    }
}

@media all and (orientation: landscape) {
  body:after {
    content: "l";
    }
}