* {
  margin: 0;
  padding: 0;
}

html, body {
  height: 100vh;
}

body {
  font: 2rem "Lucida Grande", Helvetica, Arial, sans-serif;
  background-color: #2387A8;
}

#container {
  height: 100%;
  width: 30rem;
  margin: 0 auto;
  position: relative;
}

p, button {
  vertical-align: top;
}

#did-you-know {
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: rgba(255, 255, 255, 0.5);
}

#fun-fact {
  position: absolute;
  left: 1rem;
  top: 45%;
  color: #FFF;
}

#next-fact {
  font-size: 1.5rem;
  padding: 1rem;
  width: 28rem;
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  color: #2387A8;
}

* {
  margin: 0;
  padding: 0;
}

html, body {
  height: 100vh;
}

body {
  font: 2rem "Lucida Grande", Helvetica, Arial, sans-serif;
  background-color: #2387a8;
}

#container {
  height: 100%;
  width: 30rem;
  margin: 0 auto;
  position: relative;
}

p, button {
  vertical-align: top;
}

#did-you-know {
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: rgba(255, 255, 255, 0.5);
}

#fun-fact {
  position: absolute;
  left: 1rem;
  top: 45%;
  color: #FFF;
}

#next-fact {
  font-size: 1.5rem;
  padding: 1rem;
  width: 28rem;
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  color: #2387A8;
}

Change background color to new theme
Change background color to new theme
