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<meta name="viewport" content="width=device-width,initial-scale=1"><link rel="icon" href="/favicon.ico"><title>SCSS - Code Guidelines | Ocelot.Social Documentation</title><meta name="description" content="Ocelot.Social Documentation">
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<div id="app"><!--[--><!--[--><!--[--><span tabindex="-1"></span><a href="#main-content" class="vp-skip-link sr-only">Skip to main content</a><!--]--><!--[--><div class="theme-container external-link-icon pure has-toc" vp-container><!--[--><header id="navbar" class="vp-navbar" vp-navbar><div class="vp-navbar-start"><button type="button" class="vp-toggle-sidebar-button" title="Toggle Sidebar"><span class="icon"></span></button><!----><!--[--><a class="route-link vp-brand" href="/" aria-label="Take me home"><img class="vp-nav-logo" src="/logo.svg" alt><!----><span class="vp-site-name hide-in-pad">Ocelot.Social Documentation</span></a><!--]--><!----></div><div class="vp-navbar-center"><!----><!--[--><nav class="vp-nav-links"><div class="vp-nav-item hide-in-mobile"><a class="auto-link external-link" href="https://stage.ocelot.social/" aria-label="Demo" target="_self"><!---->Demo<!----></a></div></nav><!--]--><!----></div><div class="vp-navbar-end"><!----><!--[--><div class="vp-nav-item 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class="search-pro-key">Ctrl</kbd><kbd class="search-pro-key">K</kbd></div></button><!--]--><!--]--><!----><button type="button" class="vp-toggle-navbar-button" aria-label="Toggle Navbar" aria-expanded="false" aria-controls="nav-screen"><span><span class="vp-top"></span><span class="vp-middle"></span><span class="vp-bottom"></span></span></button></div></header><!----><!--]--><!----><div class="toggle-sidebar-wrapper"><span class="arrow start"></span></div><aside id="sidebar" class="vp-sidebar" vp-sidebar><!----><ul class="vp-sidebar-links"><li><a class="route-link auto-link vp-sidebar-link" href="/" aria-label="Introduction"><!---->Introduction<!----></a></li><li><a class="route-link auto-link vp-sidebar-link" href="/neo4j/" aria-label="Neo4J"><!---->Neo4J<!----></a></li><li><section class="vp-sidebar-group"><p class="vp-sidebar-header clickable"><!----><a class="route-link auto-link vp-sidebar-title no-external-link-icon" href="/backend/" aria-label="Backend"><!---->Backend<!----></a><!----></p><ul class="vp-sidebar-links"><li><a class="route-link auto-link vp-sidebar-link" href="/backend/graphql.html" aria-label="GraphQL"><!---->GraphQL<!----></a></li><li><a class="route-link auto-link vp-sidebar-link" href="/backend/neo4j-graphql-js.html" aria-label="neo4j-graphql-js"><!---->neo4j-graphql-js<!----></a></li></ul></section></li><li><section class="vp-sidebar-group"><p class="vp-sidebar-header clickable active"><!----><a class="route-link route-link-active auto-link vp-sidebar-title no-external-link-icon" href="/webapp/" aria-label="Webapp (Frontend)"><!---->Webapp (Frontend)<!----></a><!----></p><ul class="vp-sidebar-links"><li><a class="route-link auto-link vp-sidebar-link" href="/webapp/components.html" aria-label="Components"><!---->Components<!----></a></li><li><a class="route-link auto-link vp-sidebar-link" href="/webapp/html.html" aria-label="HTML"><!---->HTML<!----></a></li><li><a class="route-link route-link-active auto-link vp-sidebar-link active" href="/webapp/scss.html" aria-label="SCSS"><!---->SCSS<!----></a></li><li><a class="route-link auto-link vp-sidebar-link" href="/webapp/vue.html" aria-label="Vue"><!---->Vue<!----></a></li></ul></section></li><li><section class="vp-sidebar-group"><p class="vp-sidebar-header clickable"><!----><a class="route-link auto-link vp-sidebar-title no-external-link-icon" href="/testing.html" aria-label="Testing Guide"><!---->Testing Guide<!----></a><!----></p><ul class="vp-sidebar-links"><li><a class="route-link auto-link vp-sidebar-link" href="/cypress/" aria-label="End-to-end Tests"><!---->End-to-end Tests<!----></a></li><li><a class="route-link auto-link vp-sidebar-link" href="/webapp/testing.html" aria-label="Webapp (Frontend) Tests"><!---->Webapp (Frontend) Tests<!----></a></li><li><a class="route-link auto-link vp-sidebar-link" href="/backend/testing.html" aria-label="Backend Tests"><!---->Backend Tests<!----></a></li></ul></section></li><li><a class="route-link auto-link vp-sidebar-link" href="/deployment/" aria-label="Deployment"><!---->Deployment<!----></a></li><li><a class="route-link auto-link vp-sidebar-link" href="/CONTRIBUTING.html" aria-label="Contributing"><!---->Contributing<!----></a></li><li><a class="route-link auto-link vp-sidebar-link" href="/cypress/features.html" aria-label="Feature Specification"><!---->Feature Specification<!----></a></li><li><a class="route-link auto-link vp-sidebar-link" href="/CODE_OF_CONDUCT.html" aria-label="Code of Conduct"><!---->Code of Conduct<!----></a></li><li><a class="route-link auto-link vp-sidebar-link" href="/documentation.html" aria-label="Documentation"><!---->Documentation<!----></a></li><li><a class="route-link auto-link vp-sidebar-link" href="/LICENSE.html" aria-label="License"><!---->License<!----></a></li></ul><!----></aside><!--[--><!--[--><main id="main-content" class="vp-page"><!--[--><!----><!----><nav class="vp-breadcrumb disable"></nav><div class="vp-page-title"><h1><!---->SCSS - Code Guidelines</h1><div class="page-info"><!----><!----><span class="page-date-info" aria-label="Writing Date"><svg xmlns="http://www.w3.org/2000/svg" class="icon calendar-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="calendar icon" name="calendar"><path d="M716.4 110.137c0-18.753-14.72-33.473-33.472-33.473-18.753 0-33.473 14.72-33.473 33.473v33.473h66.993v-33.473zm-334.87 0c0-18.753-14.72-33.473-33.473-33.473s-33.52 14.72-33.52 33.473v33.473h66.993v-33.473zm468.81 33.52H716.4v100.465c0 18.753-14.72 33.473-33.472 33.473a33.145 33.145 0 01-33.473-33.473V143.657H381.53v100.465c0 18.753-14.72 33.473-33.473 33.473a33.145 33.145 0 01-33.473-33.473V143.657H180.6A134.314 134.314 0 0046.66 277.595v535.756A134.314 134.314 0 00180.6 947.289h669.74a134.36 134.36 0 00133.94-133.938V277.595a134.314 134.314 0 00-133.94-133.938zm33.473 267.877H147.126a33.145 33.145 0 01-33.473-33.473c0-18.752 14.72-33.473 33.473-33.473h736.687c18.752 0 33.472 14.72 33.472 33.473a33.145 33.145 0 01-33.472 33.473z"></path></svg><span data-allow-mismatch="text">July 17, 2025</span><meta property="datePublished" content="2025-07-17T11:15:35.000Z"></span><!----><span class="page-reading-time-info" aria-label="Reading Time"><svg xmlns="http://www.w3.org/2000/svg" class="icon timer-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="timer icon" name="timer"><path d="M799.387 122.15c4.402-2.978 7.38-7.897 7.38-13.463v-1.165c0-8.933-7.38-16.312-16.312-16.312H256.33c-8.933 0-16.311 7.38-16.311 16.312v1.165c0 5.825 2.977 10.874 7.637 13.592 4.143 194.44 97.22 354.963 220.201 392.763-122.204 37.542-214.893 196.511-220.2 389.397-4.661 5.049-7.638 11.651-7.638 19.03v5.825h566.49v-5.825c0-7.379-2.849-13.981-7.509-18.9-5.049-193.016-97.867-351.985-220.2-389.527 123.24-37.67 216.446-198.453 220.588-392.892zM531.16 450.445v352.632c117.674 1.553 211.787 40.778 211.787 88.676H304.097c0-48.286 95.149-87.382 213.728-88.676V450.445c-93.077-3.107-167.901-81.297-167.901-177.093 0-8.803 6.99-15.793 15.793-15.793 8.803 0 15.794 6.99 15.794 15.793 0 80.261 63.69 145.635 142.01 145.635s142.011-65.374 142.011-145.635c0-8.803 6.99-15.793 15.794-15.793s15.793 6.99 15.793 15.793c0 95.019-73.789 172.82-165.96 177.093z"></path></svg><span>About 2 min</span><meta property="timeRequired" content="PT2M"></span><!----><!----></div><hr></div><div class="vp-toc-placeholder"><aside id="toc" vp-toc><!----><div class="vp-toc-header">On This Page<!----><div class="arrow end"></div></div><div class="vp-toc-wrapper"><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#we-use-classes-over-tags-and-ids">We use classes over tags and ids</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#we-use-design-tokens-instead-of-magic-numbers">We use design tokens instead of magic numbers</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#we-name-our-classes-after-components">We name our classes after components</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#we-use-variants-instead-of-overriding-styles">We use variants instead of overriding styles</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#we-style-within-the-component-we-position-when-we-use-it">We style within the component, we position when we use it</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#recommended-reads">Recommended reads</a></li><!----><!--]--></ul><div class="vp-toc-marker" style="top:-1.7rem;"></div></div><!----></aside></div><!----><div class="theme-hope-content" vp-content><h1 id="scss-code-guidelines" tabindex="-1"><a class="header-anchor" href="#scss-code-guidelines"><span>SCSS - Code Guidelines</span></a></h1><h2 id="we-use-classes-over-tags-and-ids" tabindex="-1"><a class="header-anchor" href="#we-use-classes-over-tags-and-ids"><span>We use classes over tags and ids</span></a></h2><p>Never apply styles to <code>tags</code> or <code>ids</code> – use <code>classes</code> instead!</p><p>Why?</p><ul><li>HTML tags are responsible for the document <em>structure</em>, not the looks</li><li>targeting HTML tags comes with performance issues</li><li>ids are responsible for identifying a unique element, not for styling it</li><li>ids have higher specificity than classes and therefore don't play well together</li><li>classes can be combined and reused while ids are unique</li></ul><p>For more background see the following articles on <a href="https://frontstuff.io/you-need-to-stop-targeting-tags-in-css" target="_blank" rel="noopener noreferrer">why not to style tags</a> and <a href="https://dev.to/clairecodes/reasons-not-to-use-ids-in-css-4ni4" target="_blank" rel="noopener noreferrer">why not to style ids</a>.</p><h2 id="we-use-design-tokens-instead-of-magic-numbers" tabindex="-1"><a class="header-anchor" href="#we-use-design-tokens-instead-of-magic-numbers"><span>We use design tokens instead of magic numbers</span></a></h2><p>In order to achieve a consistent look and feel we use a set of pre-defined <code>design tokens</code> to style our components, for example <code>colors</code>, <code>sizes</code> and <code>box-shadows</code>. These tokens are stored as <code>SCSS variables</code> and reused throughout the app.</p><p>So, instead of typing <em>pixel values</em> or <em>hex codes</em> make sure you use design tokens such as <code>height-header</code> or <code>color-input-border</code>.</p><h2 id="we-name-our-classes-after-components" tabindex="-1"><a class="header-anchor" href="#we-name-our-classes-after-components"><span>We name our classes after components</span></a></h2><p>Our SCSS styles live within the corresponding component (see the <a href="https://vuejs.org/v2/guide/single-file-components.html" target="_blank" rel="noopener noreferrer">Vue.js docs for single-file components</a> for reference) and should therefore carry the same <em>unique</em> name.</p><p>Why?</p><ul><li>it clearly ties the styles to the one component</li><li>having unique class names means styles will not be accidentally overwritten in other files</li><li>we can avoid using <code>scoped CSS</code> which <a href="https://vue-loader.vuejs.org/guide/scoped-css.html#also-keep-in-mind" target="_blank" rel="noopener noreferrer">comes with performance caveats</a></li></ul><h2 id="we-use-variants-instead-of-overriding-styles" tabindex="-1"><a class="header-anchor" href="#we-use-variants-instead-of-overriding-styles"><span>We use variants instead of overriding styles</span></a></h2><p>Components will sometimes need to look different depending on the context in which they are used – a button might for example be <code>green</code> when it represents a call to action and <code>red</code> when it triggers a destructive action. Rather than making the <code>rounded-button</code> component <code>green</code> by default and then overriding the <code>color</code> for, say, the <code>delete-account</code> action – use variants! Pass the <code>rounded-button</code> a prop, such as <code>color: danger</code>, and then apply the respective <code>variant class</code>.</p><p>Name variant classes with a dash prefix, such as <code>-danger</code>, then target them like this:</p><div class="language-scss line-numbers-mode" data-highlighter="shiki" data-ext="scss" data-title="scss" style="--shiki-light:#383A42;--shiki-dark:#abb2bf;--shiki-light-bg:#FAFAFA;--shiki-dark-bg:#282c34;"><pre class="shiki shiki-themes one-light one-dark-pro vp-code"><code><span class="line"><span style="--shiki-light:#986801;--shiki-dark:#D19A66;">.rounded-button</span><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;"> {</span></span>
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<span class="line"><span style="--shiki-light:#A0A1A7;--shiki-light-font-style:italic;--shiki-dark:#7F848E;--shiki-dark-font-style:italic;"> /* other css styles */</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#E45649;--shiki-dark:#E06C75;"> &</span><span style="--shiki-light:#986801;--shiki-dark:#D19A66;">.-danger</span><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;"> {</span></span>
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<span class="line"><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;"> color: </span><span style="--shiki-light:#E45649;--shiki-dark:#E06C75;">$color-danger</span><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;">;</span></span>
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<span class="line"><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;"> }</span></span>
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<span class="line"><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h2 id="we-style-within-the-component-we-position-when-we-use-it" tabindex="-1"><a class="header-anchor" href="#we-style-within-the-component-we-position-when-we-use-it"><span>We <em>style</em> within the component, we <em>position</em> when we use it</span></a></h2><p>In order to make components truly reusable it is important to limit their styles to, well, their actual <em>styling</em>. What color are they, how big is the text, what happens on <code>hover</code>, do they have a rounded border – all that is part of it.</p><p>Margins, alignment and positioning on the other hand need to be defined in the <em>parent</em> because the same component might sometimes be aligned to the left, sometimes to the right and sometimes float above other content. For more details see the <a href="https://rscss.io/layouts.html" target="_blank" rel="noopener noreferrer">rscss guidelines</a>.</p><p>To do that, use the <code>child selector</code>, like this:</p><div class="language-scss line-numbers-mode" data-highlighter="shiki" data-ext="scss" data-title="scss" style="--shiki-light:#383A42;--shiki-dark:#abb2bf;--shiki-light-bg:#FAFAFA;--shiki-dark-bg:#282c34;"><pre class="shiki shiki-themes one-light one-dark-pro vp-code"><code><span class="line"><span style="--shiki-light:#986801;--shiki-dark:#D19A66;">.login-form</span><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;"> {</span></span>
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<span class="line"><span style="--shiki-light:#A0A1A7;--shiki-light-font-style:italic;--shiki-dark:#7F848E;--shiki-dark-font-style:italic;"> /* other css styles */</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;"> > </span><span style="--shiki-light:#986801;--shiki-dark:#D19A66;">.rounded-button</span><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;"> {</span></span>
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<span class="line"><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;"> margin: </span><span style="--shiki-light:#E45649;--shiki-dark:#E06C75;">$margin-small</span><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;">;</span></span>
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<span class="line"><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;"> justify-self: </span><span style="--shiki-light:#383A42;--shiki-dark:#D19A66;">flex-end</span><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;">;</span></span>
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<span class="line"><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;"> }</span></span>
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<span class="line"><span style="--shiki-light:#383A42;--shiki-dark:#ABB2BF;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>A special case are dimensions like <code>width</code> and <code>height</code>. If it is important that a component always has the same dimensions (the height of a button should be consistent, for example) define it <em>within the component</em> itself, if a component should have flexible dimensions (a card, for example, could stretch over the whole screen in one place and be limited to a certain width in another) define the dimensions <em>in the parent</em>.</p><h2 id="recommended-reads" tabindex="-1"><a class="header-anchor" href="#recommended-reads"><span>Recommended reads</span></a></h2><p>For a deeper dive into the WHY and HOW have a look at the following resources which the above guidelines are based on:</p><ul><li><a href="https://rscss.io/index.html" target="_blank" rel="noopener noreferrer">rscss – reasonable system for css stylesheet structure</a></li><li><a href="https://csswizardry.net/talks/2014/11/itcss-dafed.pdf" target="_blank" rel="noopener noreferrer">itcss – inverted triangle architecture for css</a></li></ul></div><!----><footer class="vp-page-meta"><div class="vp-meta-item edit-link"><a class="auto-link external-link vp-meta-label" href="https://github.com/Ocelot-Social-Community/Ocelot-Social/edit/master/./webapp/scss.md" aria-label="Edit this page" rel="noopener noreferrer" target="_blank"><!--[--><svg xmlns="http://www.w3.org/2000/svg" class="icon edit-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="edit icon" name="edit"><path d="M430.818 653.65a60.46 60.46 0 0 1-50.96-93.281l71.69-114.012 7.773-10.365L816.038 80.138A60.46 60.46 0 0 1 859.225 62a60.46 60.46 0 0 1 43.186 18.138l43.186 43.186a60.46 60.46 0 0 1 0 86.373L588.879 565.55l-8.637 8.637-117.466 68.234a60.46 60.46 0 0 1-31.958 11.229z"></path><path d="M728.802 962H252.891A190.883 190.883 0 0 1 62.008 771.98V296.934a190.883 190.883 0 0 1 190.883-192.61h267.754a60.46 60.46 0 0 1 0 120.92H252.891a69.962 69.962 0 0 0-69.098 69.099V771.98a69.962 69.962 0 0 0 69.098 69.098h475.911A69.962 69.962 0 0 0 797.9 771.98V503.363a60.46 60.46 0 1 1 120.922 0V771.98A190.883 190.883 0 0 1 728.802 962z"></path></svg><!--]-->Edit this page<!----></a></div><div class="vp-meta-item git-info"><!----><!----></div></footer><nav class="vp-page-nav"><a class="route-link auto-link prev" href="/webapp/html.html" aria-label="HTML"><div class="hint"><span class="arrow start"></span>Prev</div><div class="link"><!---->HTML</div></a><a class="route-link auto-link next" href="/webapp/vue.html" aria-label="Vue"><div class="hint">Next<span class="arrow end"></span></div><div class="link">Vue<!----></div></a></nav><!----><!----><!--]--></main><!--]--><!--]--><footer class="vp-footer-wrapper" vp-footer><div class="vp-footer">Released under the <a class="vt-link link link" href="https://opensource.org/licenses/MIT" target="_blank" rel="noopener noreferrer"><!--[-->MIT License<!--]--><!----></a>.</div><div class="vp-copyright">© by <a href="https://busfaktor.org" target="_blank">busFaktor() e.V.</a> & Authors | <a href="https://ocelot.social/en/impressum/">Imprint</a></div></footer></div><!--]--><!--]--><!--[--><!----><!----><!--[--><!--]--><!--]--><!--]--></div>
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