I tried that and I don't like that skin so I went back to the sluggish theme... :ermm:
You can modify it easily enough through a style sheet for Opera (built-in functionality), Firefox (https://addons.mozilla.org/en-US/firefox/addon/stylish/), and Chrome (https://chrome.google.com/extensions/detail/fjnbnpbmkenffdnngjfgmeleoegfcffe)
Here's my alteration of it:
@charset "utf-8";/**Beth CSS *//* Changes the background of posts, topic listings, and a few other things to a very light blue*(slightly lighter than that found for .post_controls, which is what I based it off of)*/#forum_table, div.post_wrap, .row1, .post_block.row1, .row2, .row2 td, .post_block.row2, .post_block, .poll_question ol , .status_profile_actions, .recent_activity, .status_update{ background: #eaeff5 !important;}/* An even lighter blue for text boxes */.input_rte, .input_text, .input_textarea, #statusUpdate{ background: #f1f5f9 !important;}/* Changes the quotebox color to a very light green, changes every other topic in the listing to a very light green */div.blockquote, .row1 td, .friend_list ul, .off, .status_main_wrap{ background: #e9f4ee !important;}/* Adjusts padding of search options menu button */#search .choice{ min-width: 0px !important;}p.edit, pre.prettyprint{ background: Transparent !important;}