body {
    background-color:lightblue;
    font-family: "Courier New", monospace; 
    margin: 0;
}

#main {
    background-color: beige;
    margin: 40px;
    padding: 40px;
    border: 4px solid black;
}

h1 {
    font-size: 48px;
    text-align: center;
    letter-spacing: 4px;
    background-color: white;
    padding: 20px;
    box-shadow: 6px 6px black;
}

h3 { 
    font-size: 24px;
    margin-top: 40px;
}

p {
    line-height: 1.6;
    margin-bottom: 20px;
}

a {
    color: midnightblue;
    text-decoration: underline;
}

ul {
    list-style: square;
}

details {
    margin-top: 40px;
    padding: 20px;
    border: 2px solid black;
}

video {
    display: block;
    margin: 20px auto;
    filter: contrast(110%); 
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
}