GTmetrix reports Platform has ineffecienct theme CSS design

Ran GTmetrix on my website using pagelinks Platform theme, latest edition, and it got virtually clobbered for ineffeciency. Here’s a small snippet of GT metrix critique.

Cheers, Trin

Very inefficient rules (good to fix on any page):
ul.main-nav li a Tag key with 2 descendant selectors and Class overly qualified with tag
#footer li.link-list a Tag key with 2 descendant selectors and Class overly qualified with tag
#buddypress-page #object-nav ul li a Tag key with 4 descendant selectors
#buddypress-page table.forum .td-title a Tag key with 3 descendant selectors and Class overly qualified with tag
#buddypress-page #subnav li.current a Tag key with 3 descendant selectors and Class overly qualified with tag
#site #dsq-content .dsq-request-user-info td a Tag key with 4 descendant selectors
#subnav_row li.current_page_item a Tag key with 2 descendant selectors and Class overly qualified with tag
.main_nav ul.sf-menu a Tag key with 2 descendant selectors and Class overly qualified with tag
.main_nav ul.sf-menu a:focus Tag key with 2 descendant selectors and Class overly qualified with tag
.main-nav li.current-page-ancestor a Tag key with 2 descendant selectors and Class overly qualified with tag
.main-nav li.current_page_item a Tag key with 2 descendant selectors and Class overly qualified with tag
.main-nav li.current-page-ancestor ul a Tag key with 3 descendant selectors and Class overly qualified with tag
.main-nav li.current_page_item ul a Tag key with 3 descendant selectors and Class overly qualified with tag
#buddypress-page table.forum th Tag key with 2 descendant selectors and Class overly qualified with tag
#grandchildnav .current_page_item ul li a:hover Tag key with 4 descendant selectors
#buddypress-page #object-nav ul li a:hover Tag key with 4 descendant selectors
#buddypress-page #object-nav ul li.selected a Tag key with 4 descendant selectors and Class overly qualified with tag
#buddypress-page #subnav li.current a Tag key with 3 descendant selectors and Class overly qualified with tag
ul.sf-menu ul li Tag key with 2 descendant selectors and Class overly qualified with tag
#grandchildnav .current_page_item ul li a:hover Tag key with 4 descendant selectors
#carousel .content ul li a img Tag key with 5 descendant selectors
#carousel .content ul li a:hover img Tag key with 5 descendant selectors
#grandchildnav .current_page_item ul li a Tag key with 4 descendant selectors
#buddypress-page #object-nav ul li a Tag key with 4 descendant selectors
#buddypress-page #object-nav ul li a Tag key with 4 descendant selectors
#buddypress-page div.activity-comments form textarea Tag key with 3 descendant selectors and Class overly qualified with tag
#buddypress-page form#whats-new-form #whats-new-textarea textarea Tag key with 3 descendant selectors and ID overly qualified with tag
#buddypress-page form.dir-form div.dir-search input[type=%submit%] Tag key with 3 descendant selectors and Class overly qualified with tag and Class overly qualified with tag
#buddypress-page div.item-list-tabs ul li Tag key with 3 descendant selectors and Class overly qualified with tag
#buddypress-page table.forum th Tag key with 2 descendant selectors and Class overly qualified with tag
#buddypress-page table.forum td Tag key with 2 descendant selectors and Class overly qualified with tag
#buddypress-page table.forum .td-poster img Tag key with 3 descendant selectors and Class overly qualified with tag
#buddypress-page table.forum .td-title a:hover Tag key with 3 descendant selectors and Class overly qualified with tag
.widget ul li ul li Tag key with 4 descendant selectors
#grandchildnav .current_page_item ul li a Tag key with 4 descendant selectors
#grandchildnav .current_page_item ul li a:hover Tag key with 4 descendant selectors
#footer #simple_footer_nav ul li a Tag key with 4 descendant selectors

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