private void UpdateStuff()
 {
     if (_changelogManager.NewChangelogEntries)
     {
         Text = Loc.GetString("changelog-button-new-entries");
         StyleClasses.Add(StyleBase.ButtonCaution);
     }
     else
     {
         Text = Loc.GetString("changelog-button");
         StyleClasses.Remove(StyleBase.ButtonCaution);
     }
 }
 /// <summary>
 ///     Adds a single style class to this selector.
 /// </summary>
 public MutableSelectorElement Class(string @class)
 {
     StyleClasses ??= new List <string>();
     StyleClasses.Add(@class);
     return(this);
 }