/* generic class defining a top margin whose height equals the font size */
.tm {margin-top: 1em}

/* background, border, border-radius, and padding for the <pre> tag */
pre {
  background: #F7F7F7;
  border: silver solid 1px;
  border-radius: 4px;
  padding: 4px;
}

/* background for the <body> tag */
body {background: #FFFFFF}

/* color for the <span> tag */
span.red {color: #E00000}
span.cmt {color: #36648b}
