Update input.css to use already defined variables (#3967)
Update input.css to use already defined variables (#3967)


Leopoldthecoder/element-1,huguangju/element,baiyaaaaa/element,iamnewsea/element-pzx,Raganof/element,immissile/m-element,Leopoldthecoder/element-1,ElemeFE/element,Raganof/element,JavascriptTips/element,iamnewsea/element-pzx,baiyaaaaa/element,Kingwl/element,renxia/element,JavascriptTips/element,renxia/element,ElemeFE/element,immissile/m-element,huguangju/element,Kingwl/element