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</script><link rel="stylesheet" href="https://assets.htmlacademy.org/css/core.v284.css"><link rel="stylesheet" href="https://assets.htmlacademy.org/css/text.v104.css"><link rel="stylesheet" href="https://assets.htmlacademy.org/css/course-paywall.v6.css"><link rel="stylesheet" href="https://assets.htmlacademy.org/css/course-interface-light.v20.css"><link rel="stylesheet" href="https://assets.htmlacademy.org/css/course-interface-ru.v2.css"><link rel="stylesheet" href="/css/custom.css"><link rel="stylesheet" href="/css/cookies.css"><link rel="preload" as="script" href="https://assets.htmlacademy.org/js/general.v274.js"><title>Challenge: Flexible Margins — Dimensions in SVG — HTML Academy</title><meta name="csrf-token" content=""><meta property="og:type" content="website"><meta property="og:site_name" content="HTML Academy"><meta name="twitter:url" property="og:url" content="https://htmlacademy.org"><meta name="twitter:title" property="og:title" content="Interactive online courses HTML Academy"><meta name="twitter:description" property="og:description" content="Together we’ll learn how to work with real code, solve true-to-life problems, use cutting edge technologies. 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SVG Width and Height</a></li><li class="main-nav__course-contents-item"><a href="/courses/svg-basics/svg-dimensions/viewbox-attribute">2. The viewBox Attribute</a></li><li class="main-nav__course-contents-item"><a href="/courses/svg-basics/svg-dimensions/viewbox-dimensions">3. viewBox and Dimensions</a></li><li class="main-nav__course-contents-item"><a href="/courses/svg-basics/svg-dimensions/challenge-1">4. Challenge: Fish</a></li><li class="main-nav__course-contents-item"><a href="/courses/svg-basics/svg-dimensions/preserveaspectratio-attribute">5. The preserveAspectRatio Attribute</a></li><li class="main-nav__course-contents-item"><a href="/courses/svg-basics/svg-dimensions/flexible-background">6. Flexible Background with preserveAspectRatio</a></li><li class="main-nav__course-contents-item main-nav__course-contents-item--current"><a href="/courses/svg-basics/svg-dimensions/challenge-2">7. Challenge: Flexible Margins</a></li><li class="main-nav__course-contents-item"><a href="/courses/svg-basics/svg-dimensions/preserveaspectratio-alignment">8. Alignment in preserveAspectRatio</a></li><li class="main-nav__course-contents-item"><a href="/courses/svg-basics/svg-dimensions/preserveaspectratio-viewbox">9. preserveAspectRatio and viewBox</a></li><li class="main-nav__course-contents-item"><a href="/courses/svg-basics/svg-dimensions/filling-space">10. Filling the Space</a></li><li class="main-nav__course-contents-item"><a href="/courses/svg-basics/svg-dimensions/challenge-3">11. Challenge: Rainbow</a></li><li class="main-nav__course-contents-item"><a href="/courses/svg-basics/svg-dimensions/units">12. Units</a></li><li class="main-nav__course-contents-item"><a href="/courses/svg-basics/svg-dimensions/coordinate-systems">13. Coordinate systems</a></li><li class="main-nav__course-contents-item"><a href="/courses/svg-basics/svg-dimensions/coordinate-transforms">14. 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