At random to help you. Take a ready-made template which is similar to the one you want to do and change it. This is the easiest option, as they say, for the "young" and stupid.
And it all comes down to the usual layout and fine-tuning the design of blocks and other things using CSS. So you need to study the layout and CSS. The literature will advise you a website htmlbook.ru
On the website above there is a section "step by step"... there is much that is useful to a novice. Well, the description of all selectors, pseudo-classes all, all properties and other things. Tags in fact need only the main, headings, links, blocks... of the Table (unless of course they are not output data) is evil.
Actually it will be easier to understand again on the basis of ready pattern that somehow resembles the structure you need.
p.s. And videouroki in this genre is not the best than you can follow. Articles on creating templates for joomla on the Internet enough.