header {
  background-image: url(img/overlay.png), linear-gradient(90deg, rgba(245, 74, 111, 0), #5b9aec 90%);
  background-color: #0f46bb;
  line-height: 4rem;
  height: 4rem;
  position: fixed;
}
section {
  padding-top: 6rem;
  padding-bottom: 12rem;
  padding: 6rem 30px 12rem 30px;
}
section a {
  text-decoration: none;
  font-weight: bolder;
  color: black;
}
footer {
  position: absolute;
  bottom: 0;
  width: 100%;
}
#container {
  min-height: 100vh;
  position: relative;
}
strong {
  color: black;
  font-weight: bold;
}
h1 {
  text-align: center;
}
h2 {
  font-size: x-large;
}
h3 {
  font-size: large;
}