A.#header{color:#C63;font-size:12px;font-weight:bold;} B..menu{color:#C63;font-size:12px;font-weight:bold;} C..txtp{color:#C63;font-size:12px;font-weight:bold;} D.h2{color:#C63;font-size:12px;font-weight:bold;}
A.標(biāo)簽選擇器B.類(lèi)選擇器C.文字選擇器D.ID選擇器
A.height屬性+padding-top+padding-bottom B.height屬性+padding-top+padding-bottom+border-top+border-bottom C.height屬性+margin-top+margin-bottom+border-top+border-bottom D.height屬性+padding-top+padding-bottom+border-top+border-bottom+margin-top+margin-bottom