h1 {
color: rgb(0, 12, 12);
text-align:center;
font-family:"Libertinus Sans", sans-serif;
font-size: 50px; 
}


h2 { 
    text-align:center;
    background-color:aliceblue;
padding: 20px;
}



body { 
    background-color: aliceblue;
margin: 0%;


}


p.subheading {
    text-align: center;
    font-size: 15px;
}

div.header {
    background-color:rgb(247, 249, 250);
    padding:50px;
    margin-top: 100px;
}




div.main {

background-image: linear-gradient(rgb(158, 197, 231) white);
}


nav {
    background-color: rgb(182, 217, 245);
    padding:10px;
    position: fixed;
    top: 0;    left: 0;
    width:     100%;
    box-shadow:2px 2px 4px black; 
} 





a { 
    display: inline-block;

    font-size: 24px;
    background-color: whitesmoke;
    color: black;
    text-decoration: none;
    padding: 20px;
    margin:10px 5px;
    border-radius: 5px;

transition-duration:300ms;

}

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

}