#cats li {
  scrollbar-face-color: expression(
    runtimeStyle.scrollbarFaceColor = '#fff',
    onmouseover = function() {this.className += ' hover'},
    onmouseout = function() {this.className = this.className.replace(/ hover/g, '')}
  );
}
blockquote, section {height: 1%}
aside h3 {position: relative}
#left {width: 200px}
#lrc #right {left: 200px}