body {
  margin: 0;
  padding: 0;
  background: rgb(80, 78, 78);
  text-align: center;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}
header {
  height: 10%;
}
nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
}
nav li {
  display: inline-block;
}
nav li a {
  text-decoration: none;
  display: block;
  color: rgb(255, 255, 255);
  padding: 1.5em 1.2em;
  font-size: 1em;
  font-weight: bold;
  text-transform: uppercase;
  text-align: center;
}
nav li a:hover {
  background-color: rgb(43, 46, 46);
}
main {
    height: 80%;
}
h1 {
  font-size: 4em;
  color: rgb(37, 150, 241);
}
video {
  padding: 0.1em;
}
::cue {
  color:rgb(255, 115, 0);
}
footer {
  padding: 0.5em;
  height: 10%;
  color: rgb(255, 255, 255);
}
img {
    padding: 2em;
}