html, body {
    font-family:Arial, Helvetica, sans-serif; 
    font-size:medium; /* 16px */
}

h1, h2, h3, h4, h5, h6 {    
    font-weight:bold;
    margin:0; 
    line-height:1.5em; 
}

h1 {
    font-size:2.5em; /* 40px */
}

h2 {
    font-size:2em; /* 32px */
}

h3 {
    font-size:1.5em; /* 24px */
}

h4 {
    font-size:1.2em; /* 19.2px */
}

h5 {
    font-size:1em; /* 16px */
}

h6 {
    font-size:0.8em; /* 12.8px */
}

p {
    margin:1em 0;
}

header {
    display:block;
    margin:0 auto; 
    width:100%; 
    background-color:#666; 
    background-image:url(/images/header-bg.jpg); 
    background-position:center; 
    background-size:cover; 
    background-repeat:no-repeat; 
    min-height:200px; 
    text-align:center; 
    color:#fff; 
    text-shadow:3px 3px 5px #333; 
    padding:1em 0; 
}

nav {
    display:none; 
}

footer {
    display: block;
    margin: 0 auto;
    width: 100%;
    background-color: #666;
    background-image: url(/images/footer-bg.jpg);
    min-height: 150px;
    text-align: center;
    color: #fff;
    padding: 1em 0;
}

#content {
    width:85%; 
    margin:0 auto; 
}