h1,h2,h3,h4,h5,h6 {
  text-align: center;
}

img {
  border-width: 0;
}

a:hover {
  color: red;
  background-color: transparent;
}

p,dd,li {
  text-align: justify;
}

/* full width horizontal rulers */
hr { width: 100%; }

/* a cool trick from <http://www.w3schools.com/css/default.asp>:
p:first-letter {
  font-size: 200%;
  float: left;
  color: blue;
  background-color: transparent;
}
*/