Learn the basics of HTML5 / CSS3, it is a measure collection of problems of "HTML5 professional certification exam level 1".

◆ at Q & format, immediately possible to confirm the answer!
◆ the example of the use of source code in the commentary display the results (※ 1) with

※ 1 by the use of terminal environment, there is a possibility that display results are not displayed correctly.

[Ver.1.2.2 update the contents]
• Some problems, language modification of the commentary

[Ver.1.2.1 update the contents]
• Some problems, language modification of the commentary

[Ver.1.2.0 update the contents]
And change the app icon
· CSS problem collecting additional 3 (responsive Web design)
· Add the practice tests 2 ~ 4 (※ 2)
• Some problems, language modification of the commentary
- delete an answer after ad
· Problem for each additional the percentage of correct answers aggregation function of (※ 3)

※ 2 practice exam 2 to 4 are available at an additional cost. All will be available by pay 300 yen.
3 for the function of the in development and investigation ※, there is a possibility to be removed in a future update.