Wordpress Themes - WP Forum at BFA - [SOLVED] Changing Comment Bkgd Opacity and Removing Horizontal Lines

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[SOLVED] Changing Comment Bkgd Opacity and Removing Horizontal Lines

Atahualpa 3.5.3
http://cocoamousse.com/?p=1#comment-2

I'm having a little trouble figuring out what css to place in the add html/css insert section. I want to change the caramel and mint background color opacities to match the rest of the opacities. I've tried a number of variations of:

.commentlist {
background: opacity:0.8;
}

Also, those gray horizontal lines need to go. I was able to remove them lines from the header, thanks to searching through this forum, but am having a hard time diagnosing where these are coming from.

Any help/previous post redirection would be great.
Thanks!

The CSS for opacity would be

HTML Code:

.commentlist {

opacity: .8;

}

The gray lines are borders in the Next/Previous Navigation section of the theme options.

Thank you so much! Solved both my issues perfectly!