#wrapper {
    margin: auto;
}

.padder {
    padding: 10px;
}

#header h1 {
    margin: 0;
    padding: 0;
}

#header h1 a {
    margin: 0;
    padding: 0;
    text-indent: -10000px;
    display: block;
}

.errors {
    background-color: #FCC;
    border: 1px solid #C00;
    padding: 1em;
}

ul.horizontal_nav {
    margin: 0;
    padding: 0;
}

ul.horizontal_nav li {
    display: inline;
}

ul.horizontal_nav li a {
    display: inline-block;
    padding: 5px 1em;
}