It is essential that interactive modules are accessible to all users. The basic guidelines include:
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using high-contrast colors to ensure readability;
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adding descriptive alt text to images for users who rely on screen readers;
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using simple and clear language;
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avoiding overly fast animations or flashing content;
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enabling keyboard navigation instead of relying solely on a mouse;
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adding captions or transcripts to video materials (W3C, 2024).