The Unicode character U+200A represents the "Hair Space," which is an extremely narrow whitespace character. It is narrower than a standard space (U+0020) and serves the purpose of providing an extremely fine and subtle amount of space between characters or elements.
You can copy Hair Space here and use it wherever you like
Unicode | U+2000A |
---|---|
HTML Entity |   or   |
LateX | hspace{0.16667em} |
CSS | \u200A |