h1 { font-weight: normal; font-size: 23px; line-height: 1.1em; letter-spacing: -1px }
h2 { font-weight: 600; font-size: 13px; line-height: 1.1em }
h3 { font-weight: normal; font-size: 13px; line-height: 1.25em }
h4 { font-weight: normal; font-size: 12px; line-height: 1.2em }
h5 { font-weight: normal; font-size: 11px; line-height: 1.25em }
h6 { font-weight: 100; font-size: 10px; line-height: 1.1em }