なんてことないネタですが･･･。
案外こういう真っ白な名前だけ欲しかったりするんですよね。

/*-------------------------------------------------------------
ccmments commentform tb common
---------------------------------------------------------------*/
#trackbacks h2 ,
#comments h2,
#comments-open h2 {

}

/*-------------------------------------------------------------
trackbacks area
---------------------------------------------------------------*/
#trackbacks {}
.trackbacks {}
.trackbacks-header {}
.trackbacks-info {}
.trackbacks-info p {}

/*-------------------------------------------------------------
comments area
---------------------------------------------------------------*/
#comments {}
.comments {}
.comments-header {}
.comments-content{}
.comment{}
.comment-header{}
.comment-content{}
.comment-footer{}

/*-------------------------------------------------------------
comments form area
---------------------------------------------------------------*/
#comments-open {}
.comments-open-header{}
.comments-open-content{}
#comments-open-data {}
#comments-open-data label {}
#comments-open-data input {}
#comments-open-data #comment-form-name {}
#comments-open-data #comment-form-email {}
#comments-open-data #comment-form-url {}
#comments-open-data #comment-form-remember-me {}
#comments-open-text {}
#comments-open-text label {}
#comments-open-text input {}
#comments-open-footer {}
input#comment-preview {}
input#comment-submit {}