DEMO CODE <style> Theme love{} Tạo hình nền toàn blog{} body {background-image:url( http://i1259.photobucket.com/albums/ii558/hopphoco/02Changebackgroundcolor.gif );background-attachment:fixed;} #blog_img img {height:200px;}#blog_img img:hover {height:auto;} #hd { margin-bottom:14px;border-bottom:1px solid white;background:transparent url( http://i1259.photobucket.com/albums/ii558/hopphoco/Theme%20love/nkltop5672.jpg ) repeat-y center;height:567px;} #doc3 { background:transparent url( http://i1259.photobucket.com/albums/ii558/hopphoco/Theme%20love/nklbd2.jpg ) repeat-y top center;} .sidebar { width:230px;} #bd { width:920px;} .two-col-left #yui-main .yui-b { margin-left:230px;} #ft { background: #ADFF2F url( http://i1259.photobucket.com/albums/ii558/hopphoco/Theme%20love/nklbot5282-1.jpg ) no-repeat bottom center;height:528px;} #asb-header{padding:0;background:repeat;font-size:0px;color: #