body {
  background: #111;
  color: white;
  font-family: sans-serif;
  margin: 0px 0px 0px 0px;
}
.banner {
  padding: 0 24px;
  margin: 0;
  height: calc(100vh - 50px);
  display: flex;
  background: #020;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.nav {
  height: 50px;
  display: flex;
  align-items: center;
  background: #024;
}
.navbutton {
  height: 100%;
  width: 80px;
  display: flex;
  align-items: center;
  margin-left: 10px;
  flex-direction: column;
  color: white;
  text-decoration: none;
  transition: background 0.25s, box-shadow 0.25s;
}
.navbutton:hover {
  background: #004f7c;
  box-shadow: 0px 5px 10px #07F;
}
footer {
  background: #000;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  position:sticky;
  bottom:0;
  width: 100%;
}
.contain {
  display: flex;
  align-items: center;
  justify-content: center;
}
a {
  color: #A0F;
}