h1 {
    margin-top: 0;
    padding-top: 0;    
}

label {
    font-style: italic;
}

body {
    margin: 10px 0 0 100px;
    padding: 0;
}

input, textarea {
    margin-bottom: 1em;
}

#header {
    /* this padding only for ie */
    padding: 0 0 1em 0;
    margin: 0;
    width: 625px;
    border-bottom: 1px #ccc solid;
}

/* box model hack */
html>body #header {
    padding: 0;
} 

#main {
    float: left;
    width: 400px;
    padding: 0 25px 0 0;
    margin: 3em 0 3em 0;
    border-right: 1px #ccc solid;
}

#sidebar {
    margin: 9em 0 0 425px;
    padding-left: 25px;
    width: 150px;
}

/* box model hack */
html>body #sidebar {
    border-left: 1px #ccc solid;
}

#logo {
    border: 0;
}

.illustration {
    text-align: center;    
}

.chapter {
    text-align: center;
    font-style: italic;
}

.error {
    color: #f00;    
}

.info {
    text-indent: 1.5em;
}

.comment {
    margin-bottom: 1em;    
}