Active Menu Highlight CSS

Question

I want to highlight the current menu you have click. I\'m using CSS, but it is now working.

here is my css code:

#sub-header ul li:hover{ background-         


        

Answer 1

It seems that the good-old ENVIRON awk built-in hash is not mentioned at all. An example of its usage:

$ X=Solaris awk 'BEGIN{print ENVIRON["X"], ENVIRON["TERM"]}'
Solaris rxvt