style.css

@import url('https://fonts.googleapis.com/css?family=Reenie+Beanie');
@import url('https://fonts.googleapis.com/css?family=Dancing+Script');

html {
  background-image: url(background-detailed.svg);
  background-size: 20%;
  background-opacity: 0.5;
}

body {
  font-size: 1.5em;
  font-family: 'Reenie Beanie', cursive;
  color: #333;
  margin-left: auto;
  margin-right: auto;
  max-width: 600px;
  width: 100%;
  text-align: center;      
}

canvas {
  margin: 10px;
}

#controller {
  font-family: Arial;
}

canvas[nx=toggle] {
  margin: 25px;
}

#logo {
  width: 90px;
  margin-top: 1em;
}

#messages {
  font-weight: bold;
  font-size: 2em;
  color: #555;
}

.device-name {
  font-size: 2em;
  font-family: "Dancing Script";
  text-align: center;
  margin: 0px;
  margin-bottom: 0.5em;
}

.spacer {
  display: block;
}

#audio {
  display: none;
}

#controller {
}

button {
  font-size: 2em;
  border: 0px none;
  background-color: transparent;
  color: #CCA601;
  padding: 0.25em;
  border-radius: 2em;
}