body {font:normal 14px/18px Helvetica, Arial, sans-serif; color:#222;}
h1 {font-size:20px; line-height:25px;}
h2 {font-size:18px; line-height:22px;}
h3 {font-size:16px; line-height:18px;}
h4 {font-size:13px; line-height:16px;}