[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"site-config":3,"topic:css-interview-qa-cheat-sheet-JslzGp":6,"course-tree":119,"blog-categories":847},{"data":4},{"google_site_verification":5,"ga4_measurement_id":5,"site_name":5,"default_og_image":5,"twitter_handle":5},null,{"data":7},{"id":8,"title":9,"slug":10,"content":11,"course":12,"subcategory":15,"author":18,"reading_time_minutes":24,"cornerstone":25,"schema_type":26,"faq_json":5,"video_url":5,"canonical_url":27,"meta_title":28,"meta_description":29,"og_image":5,"toc_json":30,"code_examples":96,"quiz":5,"exercises":104,"published_at":5,"updated_at":114,"prev":115,"next":5},165,"CSS Interview Q&A & Cheat Sheet","css-interview-qa-cheat-sheet-JslzGp","\u003Ch1 id=\"css-interview-qa-cheat-sheet\">CSS Interview Q&A & Cheat Sheet\u003C\u002Fh1>\u003Cp>This \u003Cstrong>CSS interview questions\u003C\u002Fstrong> guide rounds out the course with the most commonly asked questions in front-end interviews, plus a compact cheat sheet of properties and values you'll want fresh in memory before any technical interview.\u003C\u002Fp>\u003Ch2 id=\"1-box-model-questions\">1. Box Model Questions\u003C\u002Fh2>\u003Ch3 id=\"q-what-is-the-css-box-model\">Q: What is the CSS box model?\u003C\u002Fh3>\u003Cp>Every element is a box made up of content, padding, border, and margin, in that order from the inside out. Understanding this order is essential for predicting layout spacing.\u003C\u002Fp>\u003Ch3 id=\"q-whats-the-difference-between-box-sizing-content-box-and-border-box\">Q: What's the difference between box-sizing: content-box and border-box?\u003C\u002Fh3>\u003Cp>\u003Ccode>content-box\u003C\u002Fcode> (default) adds padding and border on top of the specified width, while \u003Ccode>border-box\u003C\u002Fcode> includes padding and border within the specified width, making sizing more predictable.\u003C\u002Fp>\u003Ch2 id=\"2-specificity-and-cascade-questions\">2. Specificity and Cascade Questions\u003C\u002Fh2>\u003Ch3 id=\"q-how-is-css-specificity-calculated\">Q: How is CSS specificity calculated?\u003C\u002Fh3>\u003Cp>Specificity is calculated in four tiers: inline styles, IDs, classes\u002Fattributes\u002Fpseudo-classes, and element selectors — compared in that order to determine which rule wins.\u003C\u002Fp>\u003Ch3 id=\"q-what-happens-when-two-selectors-have-equal-specificity\">Q: What happens when two selectors have equal specificity?\u003C\u002Fh3>\u003Cp>The rule that appears later in the source order wins.\u003C\u002Fp>\u003Ch2 id=\"3-layout-questions-flexbox-grid\">3. Layout Questions (Flexbox & Grid)\u003C\u002Fh2>\u003Ch3 id=\"q-when-would-you-use-flexbox-over-grid\">Q: When would you use Flexbox over Grid?\u003C\u002Fh3>\u003Cp>Flexbox is best for one-dimensional layouts (a single row or column), while Grid excels at two-dimensional layouts involving both rows and columns simultaneously.\u003C\u002Fp>\u003Ch3 id=\"q-what-does-justify-content-vs-align-items-control-in-flexbox\">Q: What does justify-content vs align-items control in Flexbox?\u003C\u002Fh3>\u003Cp>\u003Ccode>justify-content\u003C\u002Fcode> aligns items along the main axis, while \u003Ccode>align-items\u003C\u002Fcode> aligns them along the cross axis.\u003C\u002Fp>\u003Ch2 id=\"4-positioning-questions\">4. Positioning Questions\u003C\u002Fh2>\u003Ch3 id=\"q-whats-the-difference-between-position-absolute-and-position-fixed\">Q: What's the difference between position: absolute and position: fixed?\u003C\u002Fh3>\u003Cp>\u003Ccode>absolute\u003C\u002Fcode> positions relative to the nearest positioned ancestor, while \u003Ccode>fixed\u003C\u002Fcode> positions relative to the viewport and stays in place during scrolling.\u003C\u002Fp>\u003Ch3 id=\"q-what-does-position-sticky-do\">Q: What does position: sticky do?\u003C\u002Fh3>\u003Cp>It behaves like \u003Ccode>relative\u003C\u002Fcode> until a scroll threshold is reached, then behaves like \u003Ccode>fixed\u003C\u002Fcode> within its containing block.\u003C\u002Fp>\u003Ch2 id=\"5-responsive-design-questions\">5. Responsive Design Questions\u003C\u002Fh2>\u003Ch3 id=\"q-whats-the-difference-between-em-and-rem-units\">Q: What's the difference between em and rem units?\u003C\u002Fh3>\u003Cp>\u003Ccode>em\u003C\u002Fcode> is relative to the font size of its parent element, while \u003Ccode>rem\u003C\u002Fcode> is always relative to the root (\u003Ccode>html\u003C\u002Fcode>) font size, making it more predictable for consistent scaling.\u003C\u002Fp>\u003Ch2 id=\"6-quick-reference-cheat-sheet\">6. Quick-Reference Cheat Sheet\u003C\u002Fh2>\u003Ctable>\u003Ctr>\u003Cth>Category\u003C\u002Fth>\u003Cth>Key Properties\u003C\u002Fth>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Box Model\u003C\u002Ftd>\u003Ctd>margin, padding, border, box-sizing\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Flexbox\u003C\u002Ftd>\u003Ctd>display: flex, justify-content, align-items, flex-wrap, gap\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Grid\u003C\u002Ftd>\u003Ctd>display: grid, grid-template-columns, grid-template-rows, gap\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Positioning\u003C\u002Ftd>\u003Ctd>position, top\u002Fright\u002Fbottom\u002Fleft, z-index\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Typography\u003C\u002Ftd>\u003Ctd>font-size, line-height, font-weight, letter-spacing\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Responsive\u003C\u002Ftd>\u003Ctd>clamp(), min(), max(), media queries, container queries\u003C\u002Ftd>\u003C\u002Ftr>\u003C\u002Ftable>\u003Ch2 id=\"try-it-yourself\">Try It Yourself\u003C\u002Fh2>\u003Cp>Test your interview readiness with the live code challenge below.\u003C\u002Fp>\u003Cdiv class=\"try-it-yourself language-css\">\u003Cpre>\u003Ccode>\u002F* Quick cheat sheet demo: centering with Flexbox *\u002F\n.center-box {\n  display: flex;\n  justify-content: center;\n  align-items: center;\n  height: 200px;\n  border: 2px dashed #999;\n}\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-css\">\u003Cpre>\u003Ccode>\u002F* Specificity comparison *\u002F\n#header .title { color: blue; }   \u002F* ID + class = higher specificity *\u002F\n.title { color: red; }             \u002F* class only = lower, loses even though it's later *\u002F\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>",{"name":13,"slug":14},"CSS","css",{"name":16,"slug":17},"Pro Practices & Wrap-up","pro-practices-wrap-up",{"slug":19,"display_name":20,"job_title":5,"short_bio":5,"expertise_tags":21,"headshot":5,"long_bio":5,"credentials":5,"twitter_url":5,"linkedin_url":5,"github_url":5,"personal_website_url":5,"other_sameas_urls":5,"topics":22,"posts":23},"badar-khalil","Badar Khalil",[],[],[],2,false,"Article","https:\u002F\u002Fwpfsharp.com\u002Ftopics\u002Fcss-interview-qa-cheat-sheet-JslzGp","CSS Interview Questions & Answers + Cheat Sheet","Top CSS interview questions and answers covering box model, flexbox, grid, specificity, and positioning with a quick-reference cheat sheet.",[31,44,56,68,80,88,92],{"id":32,"text":33,"level":24,"children":34},"1-box-model-questions","1. 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Quick-Reference Cheat Sheet",[],{"id":93,"text":94,"level":24,"children":95},"try-it-yourself","Try It Yourself",[],[97,101],{"id":98,"language":14,"code":99,"is_editable":100},662,"\u002F* Quick cheat sheet demo: centering with Flexbox *\u002F\n.center-box {\n  display: flex;\n  justify-content: center;\n  align-items: center;\n  height: 200px;\n  border: 2px dashed #999;\n}",true,{"id":102,"language":14,"code":103,"is_editable":100},663,"\u002F* Specificity comparison *\u002F\n#header .title { color: blue; }   \u002F* ID + class = higher specificity *\u002F\n.title { color: red; }             \u002F* class only = lower, loses even though it's later *\u002F",[105],{"id":106,"title":107,"slug":108,"prompt":109,"starter_code":110,"expected_output":111,"language":112,"order_index":113},229,"Interview Challenge: Fix the Specificity Bug","interview-challenge-specificity-bug","The paragraph below should be green, but it stays black because of a specificity conflict. Fix the CSS without using !important.","\u003Cp id='msg' class='text'>Hello World\u003C\u002Fp>\n\n\u003Cstyle>\n#msg { color: black; }\n.text { color: green; }\n\u003C\u002Fstyle>","CSS fixed so the paragraph renders green, by increasing the specificity of the .text rule or adjusting the #msg rule, without using !important.","html",1,"2026-10-01T16:01:58+00:00",{"id":116,"slug":117,"title":118},164,"sass-vs-native-css-lV2nqW","Sass vs Native CSS",{"data":120},[121,443],{"id":113,"name":122,"slug":123,"icon":5,"icon_url":5,"short_description":124,"meta_title":125,"meta_description":126,"og_image":127,"locale":128,"subcategories":129},"HTML","html-tutorial","Welcome to our HTML Tutorial for Beginners, a complete guide designed to help you learn HTML from the ground up.\n\nHTML, which stands for HyperText Markup Language, is the standard language used to structure content on the web. Whether you want to become a web developer, build your own website, or continue learning CSS and JavaScript, understanding HTML is an essential first step.\n\nThis HTML course takes you through the fundamentals step by step, using simple explanations and practical examples. ","HTML Tutorial for Beginners - Learn HTML Step by Step","Learn HTML from scratch with our beginner-friendly HTML tutorial. Understand HTML tags, elements, forms, tables, links, images, semantic HTML and more with practical examples.","https:\u002F\u002Fwpfsharp.com\u002Fstorage\u002Fcourses\u002Fog\u002F01M2GK0XN45C0B937NF9XFAD4S.webp","en",[130,155,191,215,291,325,339,367,391,407],{"id":113,"name":131,"slug":132,"order_index":113,"topics":133},"HTML Fundamentals & Setup","html-fundamentals-setup",[134,137,140,143,147,151],{"id":113,"title":135,"slug":136,"order_index":113,"cornerstone":25,"reading_time_minutes":113},"HTML Introduction & History","html-introduction-and-history",{"id":24,"title":138,"slug":139,"order_index":113,"cornerstone":25,"reading_time_minutes":24},"HTML Editors & Environment Setup","html-editors-and-environment-setup",{"id":38,"title":141,"slug":142,"order_index":38,"cornerstone":25,"reading_time_minutes":24},"HTML Basic Syntax & Document 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