packages.el

       (setq org-html-postamble nil)

       (setq org-html-head-extra "
   <link href='http://fonts.googleapis.com/css?family=Source+Sans+Pro:400,700,400italic,700italic&subset=latin,latin-ext' rel='stylesheet' type='text/css'>
   <link href='http://fonts.googleapis.com/css?family=Source+Code+Pro:400,700' rel='stylesheet' type='text/css'>
   <style type='text/css'>
      body {
         font-family: 'Source Sans Pro', sans-serif;
      }
      pre, code {
         font-family: 'Source Code Pro', monospace;
      }
      table, th, td { border-color: #DDD }
      tr:nth-child(even) { background: #F8F8F8 }
      tr:nth-child(odd) { background: #FFF }
   </style>")

       (setq org-html-table-default-attributes
             (quote
              (:border "2" :cellspacing "0" :cellpadding "6" :rules "all" :frame "border")))