![]() All that matters is that the SC requires that there should be no loss of content or functionality and/or a horizontal scroll bar. Similarly, content can be wrapped within a toggle type element that can expand/collapse or show/hide them in a single column. Generally, if a menu is horizontally spread over a big screen, it either shrinks to a single column menu or further wrapped in a hamburger menu at the top of the main content when the user zooms the page. RWD, in turn, fits the content into the screen in spite of how smaller the screen is. In simple terms, as the user zooms up to 400% or views the content on a small mobile device, the screen realest ate shrinks. Writing the CSS media queries for different viewport widths would fix most of the issues here. ![]() Responsive Web Design (RWD) is the only answer to this critical problem. This measurement comes down to a mobile device which has the minimum screen size. Technically speaking, the reflow must be supported up to 400% zooming on a desktop with 1280 PX screen which is equivalent to 320 CSS PX. This success criterion requires that the content reflows vertically or aligned to a single column without requiring the use of two dimensional scrolling. Given this use case, there is a high chance of content being hidden to a particular side or being cut off, making it difficult to read. In some cases, some users may require more than 200% or – to be more specific – up to 400% of zoom to read the content. People with low vision use zoom functionality more often than not to read the contents of a web site. For web content which is designed to scroll horizontally (e.g., with vertical text), 256 CSS pixels is equivalent to a starting viewport height of 1024 CSS pixels at 400% zoom.Įxamples of content which requires two-dimensional layout are images, maps, diagrams, video, games, presentations, data tables, and interfaces where it is necessary to keep toolbars in view while manipulating content. Horizontal scrolling content at a height equivalent to 256 CSS pixels.Įxcept for parts of the content which require two-dimensional layout for usage or meaning.ģ20 CSS pixels is equivalent to a starting viewport width of 1280 CSS pixels wide at 400% zoom.Vertical scrolling content at a width equivalent to 320 CSS pixels.Success Criterion 1.4.10 Reflow (Level AA): Content can be presented without loss of information or functionality, and without requiring scrolling in two dimensions for:
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