codecademy/style.css

body {
  background-color: #FFF;
  margin: 0 auto;
}

header {
  background-color: #466995;
  border-bottom: 1px solid #466995;
  position: fixed;
  width: 100%;
}

ul {
  margin: 30px auto;
  padding: 0 20px;
  text-align: center;
}

li {
  color: #FFF;
  font-family: 'Oswald', sans-serif;
  font-size: 16px;
  font-weight: 300;
  text-transform: uppercase;
}

li:hover {
  color: #DBE9EE;
}

h1 {
  color: #466995;
  font-family: 'Oswald', sans-serif;
  font-size: 32px;
  font-weight: 300;
  text-transform: uppercase;
}

h2 {
  color: #333;
  font-family: 'Varela Round', sans-serif;
  font-size: 26px;
  font-weight: 100;
  margin: 0 auto 20px auto;
}

h3 {
  color: #466995;
  font-family: 'Oswald', sans-serif;
  font-size: 18px;
  text-align: center;
  font-weight: 700;
  text-transform: uppercase;
  padding: 30px;
}

h4 {
  color: #466995;
  font-family: 'Oswald', sans-serif;
  font-size: 18px;
  font-weight: 300;
  letter-spacing: 2px;
  text-align: center;
  text-transform: uppercase
}

p {
  color: #333;
  font-family: 'Varela Round', sans-serif;
  font-size: 18px;
}

footer {
  background-color: #DBE9EE;
  text-align: center;
}

.welcome {
  background-color: #DBE9EE;
  box-sizing: border-box;
  padding: 40px;
  text-align: center;
  width: 100%;
  position: relative;
  top: 200px;
}

.question {
  text-align: center;
  position: sticky;
  top: 40px;
  border: 15px solid #DBE9EE;
  background-color: white;
}

.answer {
  border: 1px solid #466995;
  margin: 20px;
}

.answer:hover {
  background: #C0D6DF;
  color: #FFF;
}