.responsive-image-centered {
        display: block;
        height:auto;
        width:80%;
        margin-left: auto;
        margin-right: auto;
}
.page-pre-content { font-size: 0.8em; padding:0em 1em; max-width:100%; margin:auto }
.page-content { padding:1em 2em; max-width:64em; margin:auto }
.page-content:after { display:block; content:""; height:1px } /* fixes bottom padding issue in IE10 */
blockquote { font-style:italic }