public void Remove(CssElement csselement)
 {
     if (BaseIndexOf(csselement) > 0)
     {
         BaseRemove(csselement.Name);
     }
 }
 public void Add(CssElement csselement)
 {
     BaseAdd(csselement);
 }
 public int IndexOf(CssElement csselement)
 {
     return(BaseIndexOf(csselement));
 }