body {
background-color: bisque;
background-image: url("https://e0.pxfuel.com/wallpapers/548/778/desktop-wallpaper-the-kiwi-bird-new-zealand-kiwi-night.jpg");
background-attachment: fixed;
background-attachment: fixed;
background-size: 1500px;
}

body.dogs {
  background-image: url("https://images.pexels.com/photos/1108099/pexels-photo-1108099.jpeg");
}
body.dogs div.main {
  background-image: linear-gradient(beige, gold);
  border-color: bisque;
  
}

h1 {
  font-family:"Playwrite BE WAL", sans-serif; 
 color: red; 
 font-size:  100px;
 text-align: center;
 text-shadow: 10px 8px 6px black;
 margin-bottom: 30px;
}
p {
    color: rgb(36, 136, 136);
  } 
  h2 { 
    color: Teal;
      
  }
  p.subheading {
    font-size: 25px;
    text-align: center;
    margin-top: 10px;
    margin-bottom:50px ;
  }

  div.main {
 background-color: rgb(221, 234, 238);
background-image: linear-gradient( mintcream, teal, cornflowerblue);
background-image: radial-gradient( mintcream, teal, cornflowerblue);
 width: 80%;
 margin: auto;
 padding: 30px;
 border-color: forestgreen;
 border-style: solid;
 border-width: 8px;
 border-radius: 20px; 
 box-shadow: 10px 10px 10px darkolivegreen; 
  }
  ul {
    color: blueviolet;
  }
  nav { background-color: silver;
    padding: 10px;

    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
  }
 a {
  display: inline-block;
  background-color: brown;
  color: white;
  padding: 10px;
  margin: 5px;
  border-radius: 5px;
  text-decoration: none;
  transition-duration: 1s;
}
a.hover {
  background-color: red;
  translate: 0 -3px;
}