@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("linkedin.com") {
#build-your-network, #footer, #tip-jar, #ad-slot-1, #ad-slot-2, #ad-full_profile-1, #ad-my_profile-1, .section ads, .member-ads, #extra-search-ads, .premium-search-upsell {display: none !important}
}