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Theme Inheritance is the best way of modifying or customizing a theme and can be accomplished with few setups. The basic idea is that a theme is defined as base-theme that you are inheriting from, and only some bits are allowed to modify and rest of the things is handled by base theme. The advantage of using theme inheritance is, the customized inherited theme will not be directly impacted whenever the base theme is updated.

Emphasis is the writing formats in markdown syntax that are used to bold, italicize or strikethrough.

• Bold − Text can be made bold using two (**) signs at either side of the texts.

• Italics − Use underscores( _ ) sign at either sides of the word to italicize the text.

• Strikethrough − Use two tildes(~~) on either side of the word to strikethrough the word.

The benefits of using Markdown syntax are −

• It is easy to learn and has minimum characters.

• When you use markdown there are very few chances of having errors.

• Valid XHTML output.

• Your content and visual display is kept separate so that it does not affect your website look.

• You can use any text editor or markdown application.

** markers indicates bold text or <b> in HTML.

PHP 5.4 or higher

Grav is a new type of fastest flat-file content management system which is easier to publish and manage content. It allows developer to handle content very easily by storing content in files (such as text or markdown files) rather than in database. If you want to build simple, manageable and quick site, it's better to select the Grav flat-file CMS. It costs less than the database driven CMS and is useful with I/O for file handling, when you don't have enough resources to handle database.

Grav is a flat-file based content management system which doesn't use database to store the content instead it uses text file (.txt) or markdown (.md) file to store the content.