css
/* styles.css */
body {
  background-color: #000;
  color: #fff;
  font-family: 'Bangers', cursive;
  text-align: center;
}

h1 {
  font-size: 36px;
  color: #0ff;
  text-shadow: 0 1px 0 #fff, 0 2px 0 #fff;
  border: 2px solid #000;
}

h2 {
  font-size: 24px;
  color: #ff0;
  text-shadow: 0 1px 0 #000;
  border: 2px solid #000;
}

h3 {
  font-size: 18px;
  color: #00f;
  text-shadow: 0 1px 0 #000;
  border: 2px solid #000;
}

a {
  color: #000;
  text-decoration: none;
  text-shadow: 0 1px 0 #fff;
  border: 2px solid #000;
  background-image: linear-gradient(#000, #000, #000 100%);
  transition: background-color 1s ease-in-out;
  background-size: 100px 100px;
  background-position: -10px 0;
  padding: 20px;
}

a:hover {
  background-position: 100% 0;
  transition: background-position 0.1s ease-in-out;
  background-color: #000;
  border-color: #fff;
  text-decoration: underline;
  text-shadow: 0 1px 0 #fff;
}

/* Add some extra flair with a drop shadow on links */
a:link {
  text-shadow: 0 1px 0 #000;
}

#nav {
  background-image: linear-gradient(#f00, #ff0);
  background-color: #f00;
  border: 4px solid #000;
  padding: 20px;
  position: fixed;
  bottom: 0;
  right: 0;
  text-align: left;
  width: 150px;
  text-shadow: 0 1px 0 #000;
  font-family: 'Bangers', cursive;
  font-size: 18px;
  text-decoration: none;
}

#nav a {
  color: #fff;
  text-decoration: none;
  text-shadow: 0 1px 0 #000;
  border: 2px solid #000;
  background-image: linear-gradient(#000, #000, #000 100%);
  transition: background-color 1s ease-in-out;
  background-size: 100px 100px;
  background-position: 0% 0%;
  padding: 10px;
  margin: 10px;
  display: inline-block;
  text-align: left;
  text-align: center;
  text-justify: center;
  width: 90%;
}

/* Add some extra flair to the nav items */
#nav a:link {
  text-shadow: 0 1px 0 #000;
}

#nav a:visited {
  color: #f00;
  text-decoration: none;
  text-shadow: 0 1px 0 #000;
  border: 2px solid #000;
  background-image: linear-gradient(#000, #000, #000 100%);
  transition: background-color 1s ease-in-out;
  background-size: 100px 100px;
  background-position: 0% 0%;
  padding: 10px;
  margin: 10px;
  display: inline-block;
  text-align: left;
  text-align: center;
  text-justify: center;
  width: 90%;
}

/* Add some extra flair to the nav items when hovered over */
#nav a:hover {
  background-position: 100% 0;
  transition: background-position 0.1s ease-in-out;
  background-color: #000;
  border-color: #fff;
  text-decoration: underline;
  text-shadow: 0 1px 0 #fff;
}

#main {
  background-image: linear-gradient(#f00, #ff0);
  background-color: #f00;
  border: 4px solid #000;
  padding: 20px;
  margin: 20px;
  text-align: center;
  font-family: 'Bangers', cursive;
  font-size: 18px;
  text-shadow: 0 1px 0 #000;
  text-align: left;
}

h1 {
  text-align: center;
  margin: 20px;
  padding: 20px;
  border: 2px solid #000;
  text-shadow: 0 1px 0 #000;
}

h2 {
  text-align: center;
  margin: 20px;
  padding: 20px;
  border: 2px solid #000;
  text-shadow: 0 1px 0 #000;
}

h3 {
  text-align: center;
  margin: 20px;
  padding: 20px;
  border: 2px solid #000;
  text-shadow: 0 1px 0 #000;
}