Use Css For Svg. The element takes nodes from within the SVG document and duplicates them somewhere else. The CSS fill property defines the fill color of the rectangle.
Symbol from in-document sprite. Symbol from external sprite. The other CSS properties help to position and size.
Quick demo open in new tab.
Quick demo open in new tab. The width and height attributes of the element define the height and the width of the rectangle. SVG stands for Scalable Vector Graphics. Copy and paste the content from here making sure that you scroll to get all of it.