menu_editor.css in Menu Editor 6.3

form#menu-editor-overview-form th {
  white-space:nowrap;  /* we don't want linebreaks in the title cells */
}

form#menu-editor-overview-form td.description,
form#menu-editor-overview-form td.checkbox {
  width:1em;  /* shrink to smallest possible width */
  white-space:nowrap;
}

form#menu-editor-overview-form td.title-edit .form-item,
form#menu-editor-overview-form td.path-edit .form-item,
form#menu-editor-overview-form td.description .form-item {
  padding-right:4px;  /* compensate the 100% width */
  position:relative;
}

form#menu-editor-overview-form td.title-edit input,
form#menu-editor-overview-form td.path-edit input,
form#menu-editor-overview-form td.description input,
form#menu-editor-overview-form td.description textarea {
  width:100%;
}

form#menu-editor-overview-form td.description textarea {
  height:60px;
}