wp-syntax.css

.wp_syntax {
  color: #100;
  margin: 0 0 1.5em 0;
  overflow: auto;
}

/* IE FIX */
.wp_syntax {
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: expression(this.scrollWidth > this.offsetWidth ? 15 : 0);
  width: 100%;
}

.wp_syntax table {
  border-collapse: collapse;
}

.wp_syntax div, .wp_syntax td {
  vertical-align: top;
  padding: 2px 4px;
}

.wp_syntax .line_numbers {
  text-align: right;
  background-color: #def;
  color: gray;
  overflow: visible;
}

/* potential overrides for other styles */
.wp_syntax pre {
  background: transparent url('images/spacer-light-50.png') repeat;
}