body 
{ 
    margin: 90px; 
    font-family: serif;
    background-image: url(./img/background.png);
    background-repeat: no-repeat;
    background-position: top center;     
    background-color: #ffffff
}

h1 { font-family: sans-serif; }
h2 { font-family: sans-serif; }
h3 { font-family: sans-serif; }
h4 { font-family: sans-serif; }

code 
{ 
    font-family: monospace;
    color: #993300;
}
