The h1 element has a border around it. Additional padding separates its content from its border.
h1 { font-family: Verdana, Arial, sans-serif; font-size: 1.8em; text-align: center; margin: 1em 4em 0em 4em; border-style: solid; background: #aff; border-width: 0.25em; border-color: #d00; padding: 0.5em; }