p { color:rgb(32, 32, 32); 
    font-size: 25px;
    font-family:"Lexend", sans-serif; 
    text-align: center; }

h1 { color:rgb(0, 0, 0);
     font-size: 60px;
      text-align: center; 
      font-family:"Lexend", sans-serif;
      text-shadow: 5px 5px 10px; }
 
h3 { color:rgb(0, 0, 0);
     font-size: 30px; 
     font-family:"Lexend", sans-serif;
     text-align: center; }
 
h2{ color:rgb(0, 0, 0);
     font-size: 30px;
     font-family:"Lexend", sans-serif;
       font-optical-sizing: auto;
       font-weight: <weight>;
       font-style: normal;
       text-align: center; }
     };
 
ul { color:rgb(0, 0, 0);
     font-size: 25px;
     font-family:"Lexend", sans-serif;
      text-align: center; }

li { font-size: 25px;
     font-family:"Lexend", sans-serif;
     text-align: center; }
 
main { background-color: rgb(253, 253, 253);
     width: 1500px;
      margin: auto;
     padding: 20px;
     box-shadow: 5px 5px 10px gray;
     
     background-image: linear-gradient(white, rgb(62, 187, 12) );
     border-width: 800px;
     border-style: dashed;
     border-color: gray;
     border: 2px solid black;
     border-radius: 20px;
}



body{ background-color: rgb(120, 206, 39);
background-image: url(https://i0.wp.com/picjumbo.com/wp-content/uploads/beautiful-nature-scenery-free-photo.jpg?w=2210&quality=70);>
background-size: cover;
background-attachment: fixed;

}


nav {
background-color: white;
padding: 20px;
position: fixed;
left: 0;
top: 0;
width: fit-content;
box-shadow: 2px 2px 2px gray;
}

a {
     background-color: purple;
     color: white;
     padding: 10px;
     text-decoration: dashed;
     border-radius: 5px;
     display: inline-block;
     transition-duration: 300ms;
}


a:hover {
background-color: palevioletred;
translate: 0 -4px;

}

body.cats {
     background-image: url(https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSAIn_1py1tu13BQ-OIM33mFAf3ZWUrdfOYOVNlABvCrQ&s);>

}

body.cats p {
     color: white;
}

body.cats h2 {
     color:rgb(255, 255, 255);
}

body.cats h1 {
     color: white;
}

body.cats main {
background-image: linear-gradient(rgb(4, 1, 211), rgb(255, 0, 242), rgb(0,255,255));
border-width: 1000px;
     border-style: dashed;
     border-color: gray;
     border: 2px solid black;
     border-radius: 20px;
}