Development with PHP and Java. Graphic design with GIMP and Inkscape.

Web development quizzes

An external CSS has priority over an inline CSS.

The k-index property tells which elements must be placed in front of, or behind, the others.

You can center a div with margin: 0 auto.

An external CSS file can be associated with an HTML document using this sintax: <link href="path/to/file.css" rel="stylesheet">

The opacity property can create transparent elements.