body {
 max-width: 35em;
 padding-left: 3em;
}
.warning {
 background: yellow;
 border: 1px solid black;
 -moz-border-radius: 5px;
 padding-left: 1em;
 padding-rigt: 1em;
}
.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;
}
