jsmastronomy
editor_stylesheet.naml

<override_macro name="editor_stylesheet">
    <style type="text/css">
        div.editor-dropdown {
            margin-top:1.8em;
            position:absolute;
            display:none;
            z-index:1000;
            border-width:1px;
            border-style:solid;
        }
        .nabble div.toolbar {
            min-width:30em;
            max-width:62em;
            width:100%;
            padding:.1em;
        }
        table.toolbar {
            border-spacing:0;
        }
        table.toolbar td {
            padding:0;
        }
        button {
            white-space:nowrap;
        }
        div > h2 {
            margin:0;
            padding:0;
        }
    </style>
</override_macro>