initial
The initial CSS keyword applies the initial value of a property to an element. It is allowed on every CSS property and causes the element for which it is specified to use the initial value of the property.
Example
<!DOCTYPE html> <html> <head> <style> /* make second-level headers green */ /* give headers a green border */ h2 { border: medium solid green } /* but make those in the sidebar use the value of the "color" property */ #sidebar h2 { border-color: initial; } </style> </head> <body> <p style="color:red"> this text is red<em style="color:initial"> this text is in the initial color (e.g. black) </em> this is red again </p> </body> </html>