gecko-dev/editor/dialogs/EditorDialog.css

/* XUL ELEMENTS */
window, WINDOW {
	display: block;
	width: 100%;
	background: silver;
	background-color: #CCCCCC; /* not working on Macintosh */ 
	padding: 5px;
  font-family: Sans-Serif;
  font-size: 8pt;
}

/* Defeat the default behavior of borderless until rollover */
button { border: 2px outset }

/* values = margin, padding. Padding doesn't work yet */
checkbox, CHECKBOX { margin: 5px 3px }

radio, RADIO { margin: 5px 3px }

tree, TREE {
	display: table;
	background-color: #000000;
	border: none;
	border-spacing: 0px;
	border-collapse: collapse;
	width: 100%;
}

/* HTML ELEMENTS */
/* Force all rows to line up cell contents at the top */
tr, TR { vertical-align: top }

/* FOR DEBUG PURPOSE -- SHOW CELL BORDER */
td, TD { border-width: 0px; border-style: inset }

table, TABLE { border-width: 0px }

p, br, td {
  font-family: Sans-Serif;
  font-size: 8pt;
  margin-top: 4px;
  margin-bottom: 4px
}

fieldset, FIELDSET {
  border-width: 3px;
  border-style: groove;
  padding: 3px;
  margin: 5px;
  text-align: left;
}

legend, LEGEND {
  font-family: Sans-Serif;
  font-size: 10pt;
  border-width: 0;
  text-align: left;
}

/* CLASSES */
[CLASS~=GrooveBorder] { border: 2px groove; padding: 3px }

[CLASS~=RidgeBorder] { border: 2px ridge; padding: 3px  }

[CLASS~=OutsetBorder] { border: 1px outset; padding: 3px  }

[CLASS~=InsetBorder] { border: 1px inset; padding: 3px  }


.tableCenterAlign {
  vertical-align: middle;
}

.genericbutton {
  width: 80px;
  height: 20px;
  margin-top: 5px;
  margin-bottom: 5px;
}

/* IDs only one button per dialog */
#okbutton {
  width: 80px; 
  height: 20px;
  left: 385px;
  top: 320px;
  align: right;
  font-style: normal; position: absolute; visibility: visible; z-index: auto
}

#cancelbutton {
  width: 80px;
  height: 20px;
  left: 295px;
  top: 320px;
  align: right;
  font-style: normal; position: absolute; visibility: visible; z-index: auto
}

#applybutton {
  width: 80px;
  height: 20px;
  left: 205px;
  top: 320px;
  align: right;  font-style: normal; position: absolute; visibility: visible; z-index: auto
}

#helpbutton {
  width: 80px;
  height: 20px;
  left: 10px;
  top: 320px;
  align : left;
  font-style: normal; position: absolute; visibility: visible; z-index: auto
}

#extrahtmlbutton {
  width: 80px;
  height: 20px;
  align: right;
  left: 385px;
  font-style: normal; position: absolute; visibility: visible; z-index: auto
}