#gui {
  position: fixed;
  display: none;
  
  background-color: rgba(0, 0, 0, 0.65);
}

.gui_button {
  display: block;
  margin: auto;
  margin-top: 10px;
  margin-bottom: 10px;
  border: 0px;
  padding: 0px;
  
  /*width: 50%;
  height: 50px;
  background-color: #555555;
  color: white;
  
  font-family: sans-serif;
  font-size: 20px;*/
  
  image-rendering: -moz-crisp-edges;
  image-rendering: pixelated;
  
  width: 600px;
  height: 60px;
  background: url(button.png);
  background-size: cover;
  
  font-family: sans-serif;
  font-size: 25px;
  color: white;
}

.guiLargeText {
  display: block;
  width: 100%;
  
  margin: auto;
  margin-top: 10px;
  margin-bottom: 10px;
  border: 0px;
  padding: 0px;
  
  text-align: center;
  font-family: sans-serif;
  font-size: 35px;
  color: white;
}