body.mceContentBody {
  font-family:Arial;
  font-size:12px;
}

p { margin: 0 auto 1em; }

h1, h2, h3, h4, h5, h6 { margin:0 auto 1em; padding:0 auto 1em; }

h1 { font-size:18px; }
h2 { font-size:16px; }
h3 { font-size:14px; }
h4 { font-size:12px; }
h5 { font-size:11px; }
h6 { font-size:10px; }

a { color:#336699; }
a:hover { color:#000000; }