BuddyPress.org

I’m trying to remove the background and border of the friend tab in private messaging. I’m using the inpsector but for some reason the CSS edits are not working. Here is the css as it is. I cannot edit the colors of the border or the background for some reason.

ul.acfb-holder li.friend-tab {
border-radius: 3px;
-moz-border-radius: 3px;
-webkit-border-radius: 3px;
border: 1px solid #ffe7c7;
padding: 2px 7px;
background: #FFF9DF;
font-size: 1em;
}