body {
 max-width: 35em;
 padding-left: 3em;
 line-height: 140%;
}
.warning {
 background: yellow;
 border: 1px solid black;
 -moz-border-radius: 5px;
 padding-left: 1em;
 padding-right: 1em;
 padding-bottom: 1em;
}
.fdef {
    font-weight: bold;
}
.fdef  .replaceable {
  font-weight: normal;
}
p.remark {
 background: yellow;
 padding: 1ex;
 border: 1px dashed red;
}
.programlisting {
 padding-top: 1ex;
 padding-bottom: 1ex;
 background: #eeeeee;
}
.guimenu,
.guisubmenu,
.guimenuitem,
.guibutton {
   font-weight: bold;
}
.guibutton, .keycap{
  border-left: 2px solid #cccccc;
  border-top: 2px solid #cccccc;
  background: #bbbbbb;
  border-right: 2px solid #888888;
  border-bottom: 2px solid #888888;
  -moz-border-radius: 5px;
  padding-left: 6px;
  padding-right: 6px;
}