1 h1
{color: white
; background-color: black
;}
2 h2
{color: white
; background-color: black
;}
3 h3
{color: white
; background-color: black
;}
4 h4
{color: white
; background-color: black
;}
5 h5
{color: white
; background-color: black
;}
6 h6
{color: white
; background-color: black
;}