Highlight Section in Blog

Method:
Add corresponding CSS style into head section. Name classes meaningful.

Here is a simple example ...
======================================================

Hello, World!

I just want to highlight this section. I just want to highlight this section. I just want to highlight this section. I just want to highlight this section.

Also, I want to highlight this word only. Also, I want to highlight this word only. Also, I want to highlight this word only.

This is a table aligned to left:

1	12345
12345	1

This is a table aligned to center:

1	12345
12345	1

Goodbye ...