html {
    background: #000000;
}

body {
    background: #ff82f9;
    color: #ffffff;
    width: 900px;
    margin: 50px auto;
    padding: 30px;
    border: 3px solid #000000;
    border-radius: 20px;
}

h1,
h2,
h3 {
    color: #ffffff;
    text-align: center;
}

h1 {
    font-size: 40pt;
}

h2 {
    font-size: 25pt;
}

nav a {
    display: block;
    width: 130px;
}

nav a {
    
    margin: 10px 0 0 0;
    padding: 5px;
    color: #000000;
    background-color: #ff82f9;
    border: 3px solid #000000;
    
}

nav a {
    
    font-size: 16pt;
    font-weight: bold;
    text-decoration: none;
    
}

nav a {
    
    text-align: center;    
    border-radius: 10px;
    box-shadow: 2px 4px 6px #000000;
    
}

nav a:hover {
    color: #ff82f9;
    background-color: #ffffff;
}

img,
iframe {
    display: block;
    margin: 30px auto;
    border: 2px solid #ffffff;
    border-radius: 15px;
}

ul,
ol {
    display: block;
    margin: 10px auto;
    width: 200px;
}

footer {
    color: #ffffff;
}

p {
    text-align: center;
}

a {
    color: #ff82f9;
    text-decoration: none;
}