body{

background:#4040ff;
margin:0;
display:flex;
justify-content:center;
align-items:center;
height:100vh;

font-family: 'Press Start 2P', monospace;

}

.screen{

background:#0000aa;

color:#a0a0ff;

width:900px;

padding:40px;

border:20px solid #4040ff;

box-shadow:0 0 0 10px #202080;

}

header{

text-align:center;
margin-bottom:30px;

}

h1{

color:#ffffff;
font-size:28px;

}

nav{

margin-top:20px;

}

nav a{

color:#a0a0ff;
text-decoration:none;
margin:0 15px;

}

nav a:hover{

color:white;

}

.content{

line-height:1.8;

}

ul{

margin-top:10px;

}

footer{

margin-top:40px;

color:white;

}