html {
  height: 100%;
}

body {
  background-color: lightblue;
  position: relative;
  min-height: 100vh;
  padding: 0;
  margin: 0;
  font-family: "Helvetica", "Arial", "sans-serif";
}

main {
  padding: 0 20px 40px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/* CSS for navigation bar */

.navbar {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  width: 100%;
  height: 7%;
  z-index: 10;

  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: center;

  background-color: black;
  color: white;
  padding: 0px 0px;

  /* Debug border */
  /* border: solid red; */
}

.nav-list {
  display: flex;
  flex-direction: row;
  position: relative;
  right: 30px;
  list-style: none;
}

.navbar a {
  color: white;
  font-weight: bold;
  margin: 0 12px;
  text-decoration: none;
  letter-spacing: 2px;
}

.navbar a:hover {
  color: aqua;
}

/* CSS for page footer */

.footer {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: black;
  color: white;
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 2.5rem;
}

#webpage-img {
  max-width: 100%;
  height: auto;
  width: auto\9; /* ie8 */
}