Skip to secondary navigation Skip to main content

Module 17: CSS Content and Positioning

In Module 17 of the Accessible Name & Description Inspector (ANDI) Tool video series, learn how to use the ANDI Hidden Content module to test meaningful content inserted into a page using Cascading Style Sheets (CSS) to ensure meaningful information is presented in another way on the page.

Voice Over (VO): Welcome to the ANDI CSS Content and Positioning Module. The purpose of this module is to test meaningful content inserted in a page using Cascading Style Sheets CSS.

VO: Note, for this module, no ANDI output is available. To start, open a web page and launch ANDI. Next, choose the Select Module drop-down menu and navigate to the Hidden Content Module.

VO: The Content before/after menu displays the number of elements inserted using CSS. To evaluate meaningful content inserted using CSS, the Content before/after menu displays the number of elements inserted using CSS.

VO: Select the Content before/after menu. ANDI highlights inserted content with a solid red outline.

VO: Next, identify if the hidden content contains meaningful information. If so, confirm the same information is presented in another way on the page.

VO: To evaluate content order and meaning CSS position, select the Advanced Settings button to expand the menu options. This button appears as a gear icon.

VO: Then select the Linerize Page checkbox. Linerize content is highlighted with a solid blue outline.

VO: A CSS element passes when hidden meaningful content is presented in another way, and Linerize content has a logical reading order.

VO: A CSS element fails when hidden meaningful content is not presented in another way, and Linerize content does not display in a logical reading order.

VO: The test does not apply when there is no hidden content, no meaningful content inserted using before or after, and/or there is no Linerize content.

VO: This concludes the ANDI CSS Content and Positioning module. Users are encouraged to view the other videos for more information on how to utilize ANDI.

Related ANDI Video Series Modules

Reviewed/Updated: March 2026

Section508.gov

An official website of the General Services Administration

Looking for U.S. government information and services?
Visit USA.gov