body{
        background-color: black;
        background-image: url(https://i.ytimg.com/vi/HDt7SEjyZ4g/maxresdefault.jpg);
        background-size: cover;
        background-attachment: fixed;
    }


nav {
    background-color: white;
    padding: 10px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
}
nav a {
    display: inline-block;

    background-color: pink;
    margin: 5px;
    padding: 10px;
    border-radius: 5px;
    color: black;
    text-decoration: none;

    transition-duration: 500ms;
}
nav a:hover {
    background-color: red;
    translate: 0 -3px;
}

h1 {
    margin-top: 100px;
    text-align: center;
    font-size: 50px;
    text-shadow: 8px 8px 12px #97b027;
}

h2 {
    color: red;
}
p {
    color: blue;
}
.subheading {
    text-align: center;
    font-size: 20px;
    margin-bottom: 50px;
}

div {
    background-image: linear-gradient(90deg,red,);

    background-image: radial-gradient(rgb(145, 255, 0), rgb(224, 115, 64));

    width: 75%;
    margin: auto;
    padding: 20px;

    border: 2px solid black;
    border-radius: 30px;

    box-shadow: 10px 10px 10px grey;
}