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accessibility-checker-engine

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An automated accessibility checking engine for use by other tools

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<!DOCTYPE html> <html lang="en-US"> <head> <title>style_viewport_resizable - Accessibility Checker Help</title> <script> RULE_MESSAGES = {"en-US":{"group":"Text must scale up to 200% without loss of content or functionality","Pass_0":"Rule Passed","Potential_1":"Verify that text sized using viewport units can be resized up to 200%"}}; RULE_ID = "style_viewport_resizable" </script> <!-- /****************************************************************************** Copyright:: 2022- IBM, Inc Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. *****************************************************************************/ --> <!-- Title and messages generated at build time --> <link rel="icon" href="https://ibm.com/able/favicon-32x32.png" type="image/png"> <link rel="icon" href="https://ibm.com/able/favicon.svg" type="image/svg+xml"> <link rel="stylesheet" href="../common/help.css" /> <script type="module"> import "https://1.www.s81c.com/common/carbon/web-components/version/v1.35.0/code-snippet.min.js"; import "https://1.www.s81c.com/common/carbon/web-components/version/v1.35.0/list.min.js"; </script> <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script> <script src="../common/help.js"></script> </head> <body> <div class="bx--grid toolHelp"> <div class="bx--row"> <div class="bx--col-sm-4 bx--col-md-8 bx--col-lg-16 toolHead"> <!-- Group message injected here --> <h3 id="ruleMessage"></h3> <!-- Severity level injected here --> <div id="locLevel"></div> <!-- Rule specific message injected here --> <p id="groupLabel"></p> </div> </div> <div class="bx--row"> <div class="bx--col-sm-4 bx--col-md-5 bx--col-lg-8 toolMain"> <!-- Start main panel --> <mark-down><script type="text/plain"> ### Why is this important? To support people with low vision, any visually rendered text must scale up to 200% of the default content size without losing content or functionality and without requiring scrolling in two dimensions. When viewport units are applied to text (generally via font size in CSS), they are relative to the viewport, which does not allow for text resizing by browser zooming or adjusting text size. <!-- This is where the code snippet is injected --> <div id="locSnippet"></div> ### What to do * Implement any of the sufficient techniques for the related requirements using font size units or technology that can scale up to 200% without losing content or functionality and without requiring scrolling in two dimensions. </script></mark-down> <!-- End main panel --> <!-- This is where the rule id is injected --> <div id="ruleInfo"></div> </div> <div class="bx--col-sm-4 bx--col-md-3 bx--col-lg-4 toolSide"> <!-- Start side panel --> <mark-down><script type="text/plain"> ### About this requirement * [IBM 1.4.4 Resize Text](https://www.ibm.com/able/requirements/requirements/#1_4_4) * [IBM 1.4.10 Reflow](https://www.ibm.com/able/requirements/requirements/#1_4_10) * [Failure F94: Viewport units to resize text](https://www.w3.org/WAI/WCAG22/Techniques/failures/F94) ### Who does this affect? * People with low vision using screen magnification </script></mark-down> <!-- End side panel --> </div> </div> </div> </body> </html>