You can make a lot of customization for forDrupal Platino theme without a single line of code. To do it, go to /admin/build/themes/settings/Platino after you have enabled Platino theme.

Theme Settings

At the bottom of the setting page, you will see this, which you can enable the block editing feature for authorized users and also enable the form tooltips. Other customization included are tab panel, breadcrumb, node, taxonomy, read more, comment and search.

Theme Settings

Breadcrumb

Decide if you would like to display the breadcrumb and the breadcrumb separator. If breadcrumb is display, what are the elements to display such as prepend the homepage link, append separator to the end and append content title.

Breadcrump Settings

Node

Customize the display of author's name or the date, for all content types.

Node Settings

Or you can customize each content type separately.

Specific Node Settings by Content Type

Taxonomy

Customize the display of taxonomy in full node and teaser. Can limit by vocabulary as well. Customizable by each content type.

Taxonomy Settings

Read More

Customize the link for read more. Customizable by each content type.

Read More Settings

Comment

Customize the link for "Add new comment", "Comments" and "New comments". Customizable by each content type.

Comments Settings

Search

Customize the search result page.

Search Settings