@namespace p url(http://www.evolus.vn/Namespace/Pencil);

pfonteditor {
    -moz-binding: url(chrome://pencil/content/bindings/fontEditor.xbl#fontEditor);
}
pfonteditor button[aid="bold"],
pfonteditor button[aid="underline"],
pfonteditor button[aid="italic"] {
    min-width: 3em;
    margin-right: 0px;
}
pfonteditor button[aid="bold"] {
    font-weight: bold;
}
pfonteditor button[aid="italic"] {
    font-style: italic;
}
pfonteditor button[aid="underline"] {
    text-decoration: underline;
}
pfonteditor > hbox > vbox + vbox {
    margin-left: 1em;
}
