How do you change the background in your inbox?

How can I change the background colour to black and the font to white in this html?

• I'm no good at html... how can I change the background to black, and the font to white? </script> <meta name="color:Page BG" content="#FFF"> <meta name="color:Video BG" content="#000000"> <meta name="color:Regular and Quote BG" content="#08bcc3"> <meta name="color:Chat BG" content="#f392dd"> <meta name="color:Link BG" content="#a10789"> <meta name="color:Audio BG" content="#ff4040"> <meta name="text:Disqus Shortname" content="" /> <meta name="if:Show About In Nav" content="1"/> <meta name="if:Show Following In Nav" content="1"/> <style> /* custom colours */ html, body{ background-color:{color:Page BG}; } .grid .post_thumb .video{ background-color:{color:Video BG}; } .grid .post_thumb .regular, .grid .post_thumb .quote{ background-color:{color:Regular and Quote BG}; } .grid .post_thumb .chat{ background-color:{color:Chat BG}; } .grid .post_thumb .link{ background-color:{color:Link BG}; } .grid .post_thumb .audio{ background-color:{color:Audio BG}; } .regular img { max-width: 100%; } {CustomCSS}

• Answer:

  *{ color: #FFFFFF; background-color: #000000; } * means all elements #000000 is black #FFFFFF is white if a specific element has its own style, then the * style will be overwritten