CSS Complete Guide - A to Z CSS Concepts Last Updated : 07 Apr, 2025 Comments Improve Suggest changes Like Article Like Report What is CSS ?CSS stands for "Cascading Style Sheet". It is used to style HTML Documents. CSS simplifies the process of making web pages presentable. It describes how web pages should look it prescribes colors, fonts, spacing, and much more.CSS Complete GuideWhat is CSS Complete Guide ?CSS Complete Guide is a list of A to Z CSS concepts from beginner to advanced levels.Table of ContentsCSS BasicsCSS SelectorsCSS PropertiesCSS ModulesCSS FunctionsCSS CombinatorsCSS Pseudo-classes & ElementsCSS At-rulesCSS Interview PreparationCSS Practice QuizCSS FrameworksCSS Course & Cheat SheetCSS BasicsCSS IntroductionCSS SyntaxCSS CommentsCSS SelectorsCSS ColorsCSS BackgroundCSS BordersCSS Margins and PaddingCSS Height and WidthCSS OutlineCSS IconsCSS LinksCSS ListsCSS TablesCSS Display propertyCSS max-width PropertyCSS Positioning ElementsCSS z-index PropertyCSS OverflowCSS FloatCSS AlignCSS CombinatorsCSS Opacity / TransparencyCSS DropDownsCSS Image GalleryCSS Image SpritesCSS CountersCSS Website LayoutCSS UnitsCSS SpecificityHow to apply !important in CSS?CSS SelectorsCSS SelectorsSimple SelectorClass SelectorsID SelectorsElement SelectorAttribute SelectorsGroup SelectorPseudo-Class SelectorPseudo-Element SelectorUniversal SelectorsWildCard SelectorCSS Selectors Complete ReferenceCSS PropertiesCSS accent-color PropertyCSS all PropertyCSS alignCSS AnimationsCSS aspect-ratio PropertyCSS backdrop-filter PropertyCSS backface-visibility PropertyCSS BackgroundCSS BordersCSS block-size PropertyCSS Bottom PropertyCSS padding-bottom PropertyCSS margin-bottom PropertyCSS box PropertyCSS box-sizing PropertyCCSS box decoration break PropertyCSS box-shadow PropertyCSS break PropertyCSS break-after propertyCSS break-before PropertyCSS break-inside propertyCSS word-break PropertyCSS clip-path PropertyCSS color PropertyCSS column PropertyCSS column-fill PropertyCSS column-count PropertyCSS column-width PropertyCSS column-rule PropertyCSS column-span PropertyCSS column-rule-width PropertyCSS column-gap PropertyCSS columns PropertyCSS content PropertyCSS CountersCSS counter-increment PropertyCSS counter-reset PropertyCSS Display propertyCSS cursor PropertyCSS direction PropertyCSS filter PropertyCSS flex Property CSS FloatCSS FontsCSS grid PropertyCSS height Property CSS image-rendering PropertyCSS inset Property CSS justify PropertyCSS justify-content PropertyCSS justify-self PropertyCSS |eft PropertyCSS letter-spacing PropertyCSS line-height PropertyCSS list PropertyCSS list-style PropertyCSS list-style-image Property CSS list-style-position PropertyCSS list-style-type PropertyCSS margin-top PropertyCSS margin-right PropertyCSS margin-bottom PropertyCSS margin-left PropertyCSS Mask PropertyCSS mask-clip PropertyCSS mask-composite PropertyCSS mask-image PropertyCSS mask-origin PropertyCSS mask-position PropertyCSS mask-repeat PropertyCSS mask-size PropertyCSS max PropertyCSS max-block-size PropertyCSS max-height PropertyCSS max-inline-size PropertyCSS max-width PropertyCSS min PropertyCSS min-block-size PropertyCSS min-height PropertyCSS min-inline-size PropertyCSS min-width PropertyCSS mix-blend-mode PropertyCSS object-fit PropertyCSS object-position PropertyCSS Opacity / Transparency PropertyCSS order propertyCSS Outline PropertyCSS overflow PropertyCSS overscroll-behavior PropertyCSS overscroll-behavior-inline PropertyCSS overscroll-behavior-x PropertyCSS overscroll-behavior-y PropertyCSS Padding PropertyCSS padding-top PropertyCSS padding-right PropertyCSS padding-bottom PropertyCSS padding-left PropertyCSS position PropertyCSS text PropertyCSS text-align PropertyCSS text-decoration PropertyCSS text-overflow PropertyCSS text-justify PropertyCSS text-shadow PropertyCSS text-transform PropertyCSS transform PropertyCSS transform-origin PropertyCSS transform-style PropertyCSS transition PropertyCSS transition-delay PropertyCSS transition-duration PropertyCSS transition-timing-function PropertyCSS word-break PropertyCSS word-spacing PropertyCSS z-index PropertyCSS Properties Complete ReferenceCSS ModulesCSS AnimationsCSS animation PropertyCSS animation-delay PropertyCSS animation-direction PropertyCSS animation-duration PropertyCSS animation-fill-mode PropertyCSS animation-iteration-count PropertyCSS animation-name PropertyCSS animation-play-state PropertyCSS animation-timing-function PropertyCSS BordersBorder StyleBorder WidthBorder ColorBorder radius propertyCSS BackgroundCSS background-color PropertyCSS background-image PropertyCSS background-attachment PropertyCSS background-position PropertyCSS background-origin propertyCSS background-clip PropertyCSS alignCSS align-content PropertyCSS align-items PropertyCSS align-self PropertyCSS text-align PropertyCSS vertical-align PropertyCSS Box modelCSS BordersCSS MarginsCSS PaddingWhat is the cascading order of the three types of CSSHow to apply concept of inheritance in CSSCSS VariablesCSS colorsCSS conditional rulesWhat is Float Containment in CSSCSS displayCSS fontsCSS grid layoutCSS imagesCSS media queriesCSS Nesting & GroupingCSS FunctionsCSS abs() FunctionCSS acos() FunctionCSS asin() FunctionCSS atan() FunctionCSS atan2() FunctionCSS attr() FunctionCSS calc() FunctionCSS clamp() FunctionCSS cos() FunctionCSS env() FunctionCSS max() FunctionCSS min() FunctionCSS sin() FunctionCSS tan() FunctionCSS url() FunctionCSS var() FunctionCSS Functions Complete ReferenceCSS CombinatorsCSS CombinatorsCSS Adjacent sibling combinatorCSS Child combinatorCSS Descendant combinatorCSS General sibling combinatorCSS Namespace separatorCSS Selector listCSS Pseudo-classes & ElementsCSS Pseudo-classesCSS :active pseudo-class CSS :any-link pseudo-class CSS :autofill pseudo-class CSS :checked pseudo-class CSS :dir() pseudo-class CSS :first-child pseudo-class CSS :first-of-type pseudo-class CSS :focus pseudo-class CSS :focus-within pseudo-class CSS :has() pseudo-class CSS :hover pseudo-class CSS :in-range pseudo-class CSS :indeterminate pseudo-class CSS :invalid pseudo-class CSS :lang() pseudo-class CSS :nth-child() pseudo-class CSS :nth-last-child() pseudo-class CSS :nth-last-of-type() pseudo-class CSS :nth-of-type() pseudo-class CSS :scope pseudo-classCSS :visited pseudo-class CSS :where() pseudo-class CSS Pseudo-ElementsCSS ::afterCSS ::beforeCSS ::first-letterCSS ::first-lineCSS ::markerCSS ::placeholderCSS ::selectionCSS At-rulesCSS At-RulesCSS @charset RuleCSS @color-profile RuleCSS @container RuleCSS @counter-style RuleCSS @font-face RuleCSS @font-feature-values RuleCSS @font-palette-values RuleCSS @import RuleCSS @keyframes RuleCSS @layer RuleCSS @media RuleCSS @namespace RuleCSS @page RuleCSS @property RuleCSS @supports RuleCSS Interview PreparationCSS Interview Questions and Answers (2023)CSS Practice QuizCSS Quiz | Set-1CSS Quiz | Set-2CSS Quiz | Set-3CSS FrameworksBootstrap 5Bulma CSSFoundation CSSMaterialize CSSOnsen UIPure CSSSemantic UISpectre CSSTailwind CSSCSS Course & Cheat SheetCSS Free CourseCSS Cheat Sheet – A Basic Guide to CSS Comment More infoAdvertise with us Next Article JavaScript Complete Guide - A to Z JavaScript Concepts Anonymous Improve Article Tags : Web Technologies CSS A-Z Guides Similar Reads HTML Cheat Sheet HTML (HyperText Markup Language) serves as the foundational framework for web pages, structuring content like text, images, and videos. HTML forms the backbone of every web page, defining its structure, content, and interactions. Its enduring relevance lies in its universal adoption across web devel 15+ min read CSS Cheat Sheet What is CSS? CSS i.e. Cascading Style Sheets is a stylesheet language used to describe the presentation of a document written in a markup language such as HTML, XML, etc. CSS enhances the look and feel of the webpage by describing how elements should be rendered on screen or in other media. What is 13 min read JavaScript Cheat Sheet JavaScript is a lightweight, open, and cross-platform programming language. It is omnipresent in modern development and is used by programmers across the world to create dynamic and interactive web content like applications and browsersJavaScript (JS) is a versatile, high-level programming language 15+ min read jQuery Cheat Sheet What is jQuery?jQuery is an open-source, feature-rich JavaScript library, designed to simplify the HTML document traversal and manipulation, event handling, animation, and Ajax with an easy-to-use API that supports the multiple browsers. It makes the easy interaction between the HTML & CSS docum 15+ min read Angular Cheat Sheet Angular is a client-side TypeScript-based, front-end web framework developed by the Angular Team at Google, that is mainly used to develop scalable single-page web applications(SPAs) for mobile & desktop. Angular is a great, reusable UI (User Interface) library for developers that helps in build 15+ min read Bootstrap Cheat Sheet Bootstrap is a free, open-source, potent CSS framework and toolkit used to create modern and responsive websites and web applications. It is the most popular HTML, CSS, and JavaScript framework for developing responsive, mobile-first websites. Nowadays, websites are perfect for all browsers and all 15+ min read ReactJS Cheat Sheet React is an open-source JavaScript library used to create user interfaces in a declarative and efficient way. It is a component-based front-end library responsible only for the view layer of a Model View Controller (MVC) architecture. React is used to create modular user interfaces and promotes the 9 min read HTML Complete Guide What is HTML ? HTML stands for Hypertext Markup Language. It is a standard markup language used to design the documents displayed in the browsers as a web page. This language is used to annotate (make notes for the computer) text so that a machine can understand it and manipulate text accordingly. M 7 min read CSS Complete Guide What is CSS ?CSS stands for "Cascading Style Sheet". It is used to style HTML Documents. CSS simplifies the process of making web pages presentable. It describes how web pages should look it prescribes colors, fonts, spacing, and much more.CSS Complete GuideWhat is CSS Complete Guide ?CSS Complete G 4 min read JavaScript Complete Guide JavaScript is a lightweight, cross-platform, single-threaded, and interpreted compiled programming language. It is also known as the scripting language for web pages. Some of the key features of JavaScript are:Lightweight and Fast: JavaScript is a lightweight programming language that runs quickly i 6 min read Like