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3:11 Do Not Require Style Sheets

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3:11 Do Not Require Style Sheets

Relative Importance:

Relative Importance rating of 3 out of 5

Strength of Evidence:

Strength of Evidence rating of 1 out of 5

Document Type: Guideline




Organize documents so they are readable without requiring an associated style sheet.


Style sheets are commonly used to control Web page layout and appearance. Style sheets should not hamper the ability of assistive devices to read and logically portray information.


  • Regardless of the ‘Relative Importance’ rating assigned by the reviewers, U.S. Federal Web sites must adhere to all Section 508 guidelines (see Guideline 3:1).

  • United States Government, Rehabilitation Act of 1973 (amended in 1998), Section 508. Retrieved November 2005, from