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Change the frame of the .arrow-bottom block:
- set the color of the top side area to #0074d9,
- make the bottom border thickness 0,
- and set the color of the left and right borders to transparent.
- Create a triangular arrow pointing to the left from the .arrow-left block.
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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/profile.v236.css"><link rel="stylesheet" href="https://assets.htmlacademy.org/css/course.v246.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-en.v2.css"><script src="https://assets.htmlacademy.org/js/sentry.js" data-sentry="3774884cc81746ed84c0ba7c5cd4ac7b" data-project="26" data-version="2"></script><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>Frames and Triangles, Part 2 — Frames and Backgrounds — HTML Academy</title><meta name="csrf-token" content="84064caf322823086fca37a7326b9bd2a54"><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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Preparation</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/background-size-1">2. Background Size, Step 1</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/background-size-2">3. Background Size, Step 2</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/background-borders">4. Background Borders</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/background-cropping">5. Background Cropping</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/multiple-background-images">6. Multiple Background Images</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/background-position">7. Positioning the background relative to different borders</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/background-repeat-round">8. background-repeat: round</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/background-repeat-space">9. background-repeat: space</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/outer-frame">10. Outer Frame</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/rounding-corners-1">11. Rounding Corners, Part 1</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/rounding-corners-2">12. Rounding Corners, Part 2</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/border-image-source">13. Frame Image: border-image-source</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/border-image-slice">14. Frame Image: border-image-slice</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/slicing-asymmetrical-images">15. Slicing Asymmetrical Images</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/border-image-repeat-1">16. Frame Image: border-image-repeat, Part 1</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/border-image-repeat-2">17. Frame Image: border-image-repeat, Part 2</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/border-image-width">18. Frame Image: border-image-width</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/border-image-outset">19. Frame Image: border-image-outset</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/royal-frame">20. Muffin’s Royal Frame</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/eco-frame">21. Muffin’s Eco-Frame</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/round-frame-1">22. Muffin’s Round Frame, Part 1</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/round-frame-2">23. Muffin’s Round Frame, Part 2</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/challenge-1">24. Challenge: The Sea Wolf</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/frames-triangles-1">25. Frames and Triangles, Part 1</a></li><li class="main-nav__course-contents-item main-nav__course-contents-item--current"><a href="/courses/advanced-styling/frames-and-backgrounds/frames-triangles-2">26. Frames and Triangles, Part 2</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/frames-triangles-3">27. Frames and Triangles, Part 3</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/arrow-frame">28. Creating an Arrow with a Frame</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/round-arrow-frame-1">29. Creating a Round Arrow with a Frame, Part 1</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/round-arrow-frame-2">30. Creating a Round Arrow with a Frame, Part 2</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/real-life-triangles-1">31. Real-Life Triangles, Part 1</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/real-life-triangles-2">32. Real-Life Triangles, Part 2</a></li><li class="main-nav__course-contents-item"><a href="/courses/advanced-styling/frames-and-backgrounds/challenge-2">33. Challenge: Jewelry Work</a></li></ul></div></div><a class="main-nav__course-item main-nav__course-button main-nav__course-button--next" href="/courses/advanced-styling/frames-and-backgrounds/frames-triangles-3">Frames and Triangles, Part 3</a></div><ul class="main-nav__list main-nav__list--user main-nav__list--user-guest"><li class="main-nav__item" itemprop="name"><a class="main-nav__link" href="/signup?redirect_url=%2Fcourses%2Fadvanced-styling%2Fframes-and-backgrounds%2Fframes-triangles-2" title="Sign up" data-modal="open" data-value="register" itemprop="url"><span class="main-nav__icon" aria-hidden="true"><svg aria-hidden="true"><use xlink:href="/img/sprites/general.svg#user"></use></svg></span>Sign up</a></li><li class="main-nav__item main-nav__item--login" itemprop="name"><a class="main-nav__link" href="/login?redirect_url=%2Fcourses%2Fadvanced-styling%2Fframes-and-backgrounds%2Fframes-triangles-2" title="Log in" data-modal="open" data-value="login" itemprop="url"><span 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course-tab--active js--theory-tab__theory"><span class="course-tab__icon"><svg aria-hidden="true"><use xlink:href="/img/sprites/courses.svg#icon-theory"></use></svg></span><span class="course-tab__title">Theory</span></li><li class="course-tabs__item course-tabs__item--internal course-tab course-tab--centered js--theory-tab__comments"><span class="course-tab__icon"><svg aria-hidden="true" style="width: 16px; height: 16px; fill: #2e2c9c;"><use xlink:href="/img/sprites/up.svg#comment"></use></svg></span><span class="course-tab__title">Comments</span></li></ul><section class="course-theory__content"><div class="js--theory-pane__theory course-theory__content-inner"><h1 class="course-theory__content-heading">Frames and Triangles, Part 2</h1><div class="course-theory__content-text"><p>Now you need to perform the following to create a triangle:</p><ul><li>Set one border of the frame to zero width,</li><li>make two more borders transparent,</li><li>and then assign the desired color to the last border.</li></ul><p>Thus, by using a typical <code>border</code>, you can create triangular arrows pointing in all directions.</p><p>Let’s create a triangular arrow pointing down.</p></div></div><div class="js--theory-pane__comments hidden course-theory__content-inner"><div class="course-theory__content-text"><h2 class="course-theory__content-heading">Comments</h2><div id="disqus_thread"></div><script>
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