popsu-d7/sites/all/modules/wysiwyg/editors/css/tinymce-3.css

/**
 * TinyMCE 3.x
 */
table.mceLayout {
  clear: left;
}

/**
 * Align all buttons and separators in a single row, so they wrap into multiple
 * rows if required.
 */
.mceToolbar td {
  display: inline;
}
.mceToolbar a,
.mceSeparator {
  float: left;
}
.mceListBox,
.mceSplitButton {
  float: left;
  margin-bottom: 1px;
}