javascript - How to Auto-Colorize Codes Like HTML Editors -

I have a blog, when I post something in HTML / CSS / Javascript / Jquery etc., I want to be colored automatically ..I know that I am the worst lecturer, I try to do this .. In this way, it automatically colors the script ..

 < Code> & lt; Style type = 'text / css' & gt; Img.opacity {Fuzzy: 0.5; Filter: Alpha (Opacity = 50); -Winkit-Infection: Opacity 1S Linear; } Img.opacity: Hover {Opacity: 1; Filter: Alpha (Opacity = 100); -Winkit-Infection: Opacity 1S Linear; } & Lt; / Style & gt;   
 I want this feature on my blog, can you help me ?? This is my blog:   
 
 
 I always use    I do