Đặt code trong khung trên bài viết của Blogger

pre, code { display:block; font: 1em 'Courier New', Fixed, monospace; font-size : 100%; color: #666666; background : #fff url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPm_Jk_vYBqFKW84odx3u5YbY0D6h1EGkoPJlRl3EnWAAx0bePaO4fZyDkktG_7MwjwjbhYvpukJEKyOtsS2rEaOq5tLsDFQLbpjVx3t3p_G2jQYzomxOJ_COa2ROwGG2zYW1wSNHKGjs/s1600/prepb3-namkna-blogspot-com-1.jpg) no-repeat left top; overflow : auto; text-align:left; border : 1px solid #99cc66; padding : 0px 20px 0 30px; margin:1em 0 1em 0; line-height:17px; } pre, code { display:block; font: 1em 'Courier New', Fixed, monospace; font-size : 100%; color: #666666; background : #fff url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPm_Jk_vYBqFKW84odx3u5YbY0D6h1EGkoPJlRl3EnWAAx0bePaO4fZyDkktG_7MwjwjbhYvpukJEKyOtsS2rEaOq5tLsDFQLbpjVx3t3p_G2jQYzomxOJ_COa2ROwGG2zYW1wSNHKGjs/s1600/prepb3-namkna-blogspot-com-1.jpg) no-repeat left top; overflow : auto; text-align:left; border : 1px solid #99cc66; padding : 0px 20px 0 30px; margin:1em 0 1em 0; line-height:17px; } http://namkna.blogspot.com/2011/07/at-code-trong-khung-tren-bai-viet-cua.html#.UhrHoNI5mhA
http://namkna.blogspot.com/2011/08/tong-hop-khung-chua-code-dep-cho.html#.UhrJvNI5mhA

tạo khung chuyển đổi code
http://namkna.blogspot.com/2012/11/covert-code-endcode-for-blogger.html#.UoIwpHB3Y7M
vip
http://namkna.blogspot.com/2011/12/tao-khung-converter-code-cho-blogger.html#.UoI0cHB3Y7M

<pre class="pre-formatting" style="height: 100px;">Code</pre>