styles.css

html,body {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    font-size:100%;
    font:inherit;
    vertical-align:baseline;
}

body {
    text-align: center;
    font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
    font-weight: 300;
    line-height: 160%;
}

h1 {
    font-size: 2.5em;
    font-weight: 300;
}

#main-wrapper {
    text-align: left;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.content-wrapper {
    width: 100%;
    max-width: 645px;
    float: left;
}

.sidebar {
    float: left;
    width: 100%;
    max-width: 230px;
    margin-left: 20px;
}