body {
  background-color: #333;
  color: #DDD;
  margin: 0 auto;
  text-align: center;
}

#titlebox {
  background-color: steelblue;
  padding-top: 2vh;
  text-transform: uppercase;
}

h1 {
  font-weight: normal;
  margin: 0;
}

h3 {
  margin: 2vmin;
}

#colourDisplay {
  font-size: 2em;
  font-weight: 600;
}

#stripe {
  background-color: #DDD;
  color: steelblue;
  height: 3vh;
  text-align: center;
}

#stripe a {
  color: inherit;
  text-decoration: none;
}

#message {
  display: inline-block;
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  width: 20%;
}

#spacer {
  display: inline-block;
  width: 2vw;
}

#container {
  justify-content: center;
  margin: 2vh auto;
  max-width: 75%;
}

.square {
  background-color: purple;
  border-radius: 20%;
  float: left;
  margin: 1.66%;
  padding-bottom: 30%;
  transition: background 0.6s;
  -webkit-transition: background 0.6s;
  -moz-transition: background 0.6s;
  width: 30%;
}

.selected {
  background-color: steelblue;
  color: #DDD;
}

button {
  background-color: none;
  border: none;
  color: steelblue;
  font-size: 1.2rem;
  font-weight: 700;
  height: 100%;
  letter-spacing: 1px;
  /*outline: 0px solid #DDD;*/
  text-transform: uppercase;
  transition: all 0.3s;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
}

button:hover {
  color: #DDD;
  background-color: steelblue;
}