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Explore Java syntax, variables, data types, classes, objects, methods, inheritance, exceptions, collections, and more with clear explanations and real code examples.",[],{"data":773},{"id":371,"title":372,"slug":373,"content":774,"course":775,"subcategory":776,"author":777,"reading_time_minutes":35,"cornerstone":25,"schema_type":783,"faq_json":5,"video_url":5,"canonical_url":784,"meta_title":785,"meta_description":786,"og_image":5,"toc_json":787,"code_examples":840,"quiz":5,"exercises":854,"published_at":5,"updated_at":862,"prev":863,"next":864},"\u003Ch2 id=\"what-is-flex-direction-in-css-flexbox\">What is flex-direction in CSS Flexbox?\u003C\u002Fh2>\u003Cp>The \u003Cstrong>CSS flex-direction\u003C\u002Fstrong> property decides the direction of the \u003Cstrong>main axis\u003C\u002Fstrong> inside a flex container. In simple words, it tells the browser: should flex items be placed in a horizontal line (row) or a vertical stack (column), and in normal or reversed order? It is one of the first properties every developer learns in \u003Cstrong>CSS Flexbox\u003C\u002Fstrong> because every other alignment property (justify-content, align-items, align-content) depends on it.\u003C\u002Fp>\u003Ch3 id=\"syntax\">Syntax\u003C\u002Fh3>\u003Cpre>\u003Ccode>.container {\n  display: flex;\n  flex-direction: row | row-reverse | column | column-reverse;\n}\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp>The default value is \u003Ccode>row\u003C\u002Fcode>. The property applies only to elements with \u003Ccode>display: flex\u003C\u002Fcode> or \u003Ccode>display: inline-flex\u003C\u002Fcode>.\u003C\u002Fp>\u003Ch3 id=\"understanding-main-axis-and-cross-axis\">Understanding Main Axis and Cross Axis\u003C\u002Fh3>\u003Cp>Flexbox always works on two axes. The \u003Cstrong>main axis\u003C\u002Fstrong> is the direction in which items are laid out. The \u003Cstrong>cross axis\u003C\u002Fstrong> is always perpendicular to the main axis. When you change flex-direction, you rotate both axes, and that is why \u003Ccode>justify-content\u003C\u002Fcode> (main axis) and \u003Ccode>align-items\u003C\u002Fcode> (cross axis) seem to swap behavior when you move from row to column.\u003C\u002Fp>\u003Ch3 id=\"all-flex-direction-values\">All flex-direction values\u003C\u002Fh3>\u003Ctable>\u003Cthead>\u003Ctr>\u003Cth>Value\u003C\u002Fth>\u003Cth>Main axis\u003C\u002Fth>\u003Cth>Item order\u003C\u002Fth>\u003Cth>Typical use\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\u003Ctr>\u003Ctd>row\u003C\u002Ftd>\u003Ctd>Left to right (in LTR languages)\u003C\u002Ftd>\u003Ctd>Same as HTML source\u003C\u002Ftd>\u003Ctd>Navbars, toolbars, button groups\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>row-reverse\u003C\u002Ftd>\u003Ctd>Right to left\u003C\u002Ftd>\u003Ctd>Reversed visually\u003C\u002Ftd>\u003Ctd>Alternate image-text sections, RTL-style layouts\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>column\u003C\u002Ftd>\u003Ctd>Top to bottom\u003C\u002Ftd>\u003Ctd>Same as HTML source\u003C\u002Ftd>\u003Ctd>Mobile menus, forms, card content, sidebars\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>column-reverse\u003C\u002Ftd>\u003Ctd>Bottom to top\u003C\u002Ftd>\u003Ctd>Reversed visually\u003C\u002Ftd>\u003Ctd>Chat apps, activity logs, newest-first feeds\u003C\u002Ftd>\u003C\u002Ftr>\u003C\u002Ftbody>\u003C\u002Ftable>\u003Ch3 id=\"detailed-explanation-of-each-value\">Detailed explanation of each value\u003C\u002Fh3>\u003Ch4 id=\"1-flex-direction-row-default\">1. flex-direction: row (default)\u003C\u002Fh4>\u003Cp>Items are placed side by side from the start of the line to the end. In English (LTR) the start is the left side. If you never write flex-direction, the browser uses row automatically.\u003C\u002Fp>\u003Ch4 id=\"2-flex-direction-row-reverse\">2. flex-direction: row-reverse\u003C\u002Fh4>\u003Cp>Items are still in one horizontal line, but the starting point flips to the right. The first HTML item appears at the far right. Important: only the visual order changes, the DOM order stays the same.\u003C\u002Fp>\u003Ch4 id=\"3-flex-direction-column\">3. flex-direction: column\u003C\u002Fh4>\u003Cp>The main axis becomes vertical, so items stack on top of each other. Container height now matters: if you want justify-content to work vertically, give the container a height or min-height.\u003C\u002Fp>\u003Ch4 id=\"4-flex-direction-column-reverse\">4. flex-direction: column-reverse\u003C\u002Fh4>\u003Cp>Items stack from bottom to top. A very popular trick for chat UIs where the latest message stays near the bottom.\u003C\u002Fp>\u003Ch3 id=\"direction-and-writing-mode-rtl-support\">Direction and writing mode (RTL support)\u003C\u002Fh3>\u003Cp>The start and end of the main axis depend on the \u003Ccode>direction\u003C\u002Fcode> and \u003Ccode>writing-mode\u003C\u002Fcode> properties. In Arabic or Urdu pages (\u003Ccode>dir='rtl'\u003C\u002Fcode>), flex-direction: row automatically starts from the right. This makes Flexbox naturally friendly for multilingual websites.\u003C\u002Fp>\u003Ch3 id=\"real-world-use-cases\">Real-world use cases\u003C\u002Fh3>\u003Cul>\u003Cli>Responsive navigation: row on desktop, column on mobile.\u003C\u002Fli>\u003Cli>Card component: image on top and text below using column.\u003C\u002Fli>\u003Cli>Login and signup forms: labels and inputs stacked in column.\u003C\u002Fli>\u003Cli>Chat interface: column-reverse for latest message at bottom.\u003C\u002Fli>\u003Cli>Pricing and feature sections: row-reverse to alternate image and text.\u003C\u002Fli>\u003C\u002Ful>\u003Ch3 id=\"common-mistakes\">Common mistakes\u003C\u002Fh3>\u003Cul>\u003Cli>Expecting justify-content to center vertically in a column without setting container height.\u003C\u002Fli>\u003Cli>Using row-reverse or column-reverse and forgetting that keyboard Tab order still follows the HTML order, which can hurt accessibility (WCAG 1.3.2 Meaningful Sequence and 2.4.3 Focus Order).\u003C\u002Fli>\u003Cli>Writing flex-direction on a child instead of on the flex container.\u003C\u002Fli>\u003Cli>Forgetting display: flex, so the property has no effect.\u003C\u002Fli>\u003C\u002Ful>\u003Ch3 id=\"best-practices\">Best practices\u003C\u002Fh3>\u003Cul>\u003Cli>Use a mobile-first approach: start with column, switch to row on larger screens with a media query.\u003C\u002Fli>\u003Cli>Prefer changing the HTML order over using reverse values when order carries meaning.\u003C\u002Fli>\u003Cli>Combine with \u003Ccode>gap\u003C\u002Fcode> instead of margins for clean spacing.\u003C\u002Fli>\u003Cli>Use \u003Ccode>min-width: 0\u003C\u002Fcode> on flex children that contain long text to prevent overflow.\u003C\u002Fli>\u003C\u002Ful>\u003Ch3 id=\"tailwind-css-equivalents\">Tailwind CSS equivalents\u003C\u002Fh3>\u003Cp>flex-row, flex-row-reverse, flex-col, flex-col-reverse. Responsive example: \u003Ccode>flex flex-col md:flex-row\u003C\u002Fcode>.\u003C\u002Fp>\u003Ch3 id=\"trending-keywords-related-to-this-topic\">Trending keywords related to this topic\u003C\u002Fh3>\u003Cp>CSS flexbox tutorial 2026, flex-direction column, flex-direction row-reverse, responsive flexbox layout, mobile-first CSS, flexbox vs CSS grid, Tailwind flex-col, CSS container queries with flexbox, modern CSS layout, flexbox cheat sheet.\u003C\u002Fp>\u003Ch3 id=\"frequently-asked-questions\">Frequently Asked Questions\u003C\u002Fh3>\u003Ch4 id=\"what-is-the-default-value-of-flex-direction\">What is the default value of flex-direction?\u003C\u002Fh4>\u003Cp>The default value is row.\u003C\u002Fp>\u003Ch4 id=\"does-flex-direction-change-the-html-order\">Does flex-direction change the HTML order?\u003C\u002Fh4>\u003Cp>No. It changes only the visual order. Screen readers and keyboard navigation still follow the DOM order.\u003C\u002Fp>\u003Ch4 id=\"what-is-the-difference-between-column-and-column-reverse\">What is the difference between column and column-reverse?\u003C\u002Fh4>\u003Cp>Column stacks items top to bottom, column-reverse stacks them bottom to top, starting from the bottom edge of the container.\u003C\u002Fp>\u003Ch4 id=\"can-i-use-flex-direction-with-inline-flex\">Can I use flex-direction with inline-flex?\u003C\u002Fh4>\u003Cp>Yes. It works on both flex and inline-flex containers.\u003C\u002Fp>\u003Ch3 id=\"one-click-copy\">One-click copy\u003C\u002Fh3>\u003Cp>Neeche diye gaye code blocks par Copy button dabayein aur code seedha apne project mein paste karein. Cheat Sheet wala example sab values ek jagah deta hai.\u003C\u002Fp>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n.demo{margin-bottom:14px;font-family:sans-serif}\n.demo h4{margin:0 0 6px;font-size:14px}\n.box{display:flex;gap:8px;background:#f1f5f9;padding:10px;border-radius:8px}\n.box div{background:#3498db;color:#fff;padding:10px 16px;border-radius:6px}\n.r{flex-direction:row}\n.rr{flex-direction:row-reverse}\n.c{flex-direction:column;width:140px}\n.cr{flex-direction:column-reverse;width:140px}\n<\u002Fstyle>\n<div class='demo'><h4>row<\u002Fh4><div class='box r'><div>1<\u002Fdiv><div>2<\u002Fdiv><div>3<\u002Fdiv><\u002Fdiv><\u002Fdiv>\n<div class='demo'><h4>row-reverse<\u002Fh4><div class='box rr'><div>1<\u002Fdiv><div>2<\u002Fdiv><div>3<\u002Fdiv><\u002Fdiv><\u002Fdiv>\n<div class='demo'><h4>column<\u002Fh4><div class='box c'><div>1<\u002Fdiv><div>2<\u002Fdiv><div>3<\u002Fdiv><\u002Fdiv><\u002Fdiv>\n<div class='demo'><h4>column-reverse<\u002Fh4><div class='box cr'><div>1<\u002Fdiv><div>2<\u002Fdiv><div>3<\u002Fdiv><\u002Fdiv><\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n*{box-sizing:border-box}\n.nav{display:flex;flex-direction:column;gap:10px;background:#0f172a;padding:16px;font-family:sans-serif}\n.nav a{color:#fff;text-decoration:none;background:#1e293b;padding:10px 14px;border-radius:6px}\n@media (min-width:600px){.nav{flex-direction:row;justify-content:center}}\n<\u002Fstyle>\n<nav class='nav'><a href='#'>Home<\u002Fa><a href='#'>Courses<\u002Fa><a href='#'>Blog<\u002Fa><a href='#'>Contact<\u002Fa><\u002Fnav>\n<p style='font-family:sans-serif'>Resize the preview: column on mobile, row on desktop.<\u002Fp>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n.chat{display:flex;flex-direction:column-reverse;gap:8px;height:220px;width:260px;overflow:auto;background:#f8fafc;padding:10px;border:1px solid #cbd5e1;border-radius:8px;font-family:sans-serif}\n.msg{background:#10b981;color:#fff;padding:8px 12px;border-radius:12px;width:fit-content}\n<\u002Fstyle>\n<div class='chat'><div class='msg'>3. Newest message<\u002Fdiv><div class='msg'>2. Hello!<\u002Fdiv><div class='msg'>1. Oldest message<\u002Fdiv><\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-css\">\u003Cpre>\u003Ccode>\u002F* flex-direction Cheat Sheet *\u002F\n.container {\n  display: flex;\n}\n\n\u002F* Default: left to right *\u002F\n.row { flex-direction: row; }\n\n\u002F* Right to left *\u002F\n.row-reverse { flex-direction: row-reverse; }\n\n\u002F* Top to bottom *\u002F\n.column { flex-direction: column; }\n\n\u002F* Bottom to top *\u002F\n.column-reverse { flex-direction: column-reverse; }\n\n\u002F* Mobile-first responsive pattern *\u002F\n.responsive {\n  display: flex;\n  flex-direction: column;\n  gap: 1rem;\n}\n@media (min-width: 768px) {\n  .responsive { flex-direction: row; }\n}\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>",{"name":335,"slug":336},{"name":367,"slug":368},{"slug":778,"display_name":779,"job_title":5,"short_bio":5,"expertise_tags":780,"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":781,"posts":782},"badar-khalil","Badar Khalil",[],[],[],"Article","https:\u002F\u002Fwpfsharp.com\u002Ftopics\u002Fcss-flex-direction-qYSHRj","CSS flex-direction Explained: row, column, reverse (2026)","Learn CSS flex-direction with live examples: row, row-reverse, column, column-reverse, main axis, responsive layouts, accessibility and Tailwind equivalents.",[788],{"id":789,"text":790,"level":27,"children":791},"what-is-flex-direction-in-css-flexbox","What is flex-direction in CSS Flexbox?",[792,796,800,804,808,812,816,820,824,828,832,836],{"id":793,"text":794,"level":31,"children":795},"syntax","Syntax",[],{"id":797,"text":798,"level":31,"children":799},"understanding-main-axis-and-cross-axis","Understanding Main Axis and Cross Axis",[],{"id":801,"text":802,"level":31,"children":803},"all-flex-direction-values","All flex-direction values",[],{"id":805,"text":806,"level":31,"children":807},"detailed-explanation-of-each-value","Detailed explanation of each value",[],{"id":809,"text":810,"level":31,"children":811},"direction-and-writing-mode-rtl-support","Direction and writing mode (RTL support)",[],{"id":813,"text":814,"level":31,"children":815},"real-world-use-cases","Real-world use cases",[],{"id":817,"text":818,"level":31,"children":819},"common-mistakes","Common mistakes",[],{"id":821,"text":822,"level":31,"children":823},"best-practices","Best practices",[],{"id":825,"text":826,"level":31,"children":827},"tailwind-css-equivalents","Tailwind CSS equivalents",[],{"id":829,"text":830,"level":31,"children":831},"trending-keywords-related-to-this-topic","Trending keywords related to this topic",[],{"id":833,"text":834,"level":31,"children":835},"frequently-asked-questions","Frequently Asked Questions",[],{"id":837,"text":838,"level":31,"children":839},"one-click-copy","One-click copy",[],[841,845,848,851],{"id":842,"language":754,"code":843,"is_editable":844},722,"\u003Cstyle>\n.demo{margin-bottom:14px;font-family:sans-serif}\n.demo h4{margin:0 0 6px;font-size:14px}\n.box{display:flex;gap:8px;background:#f1f5f9;padding:10px;border-radius:8px}\n.box div{background:#3498db;color:#fff;padding:10px 16px;border-radius:6px}\n.r{flex-direction:row}\n.rr{flex-direction:row-reverse}\n.c{flex-direction:column;width:140px}\n.cr{flex-direction:column-reverse;width:140px}\n\u003C\u002Fstyle>\n\u003Cdiv class='demo'>\u003Ch4>row\u003C\u002Fh4>\u003Cdiv class='box r'>\u003Cdiv>1\u003C\u002Fdiv>\u003Cdiv>2\u003C\u002Fdiv>\u003Cdiv>3\u003C\u002Fdiv>\u003C\u002Fdiv>\u003C\u002Fdiv>\n\u003Cdiv class='demo'>\u003Ch4>row-reverse\u003C\u002Fh4>\u003Cdiv class='box rr'>\u003Cdiv>1\u003C\u002Fdiv>\u003Cdiv>2\u003C\u002Fdiv>\u003Cdiv>3\u003C\u002Fdiv>\u003C\u002Fdiv>\u003C\u002Fdiv>\n\u003Cdiv class='demo'>\u003Ch4>column\u003C\u002Fh4>\u003Cdiv class='box c'>\u003Cdiv>1\u003C\u002Fdiv>\u003Cdiv>2\u003C\u002Fdiv>\u003Cdiv>3\u003C\u002Fdiv>\u003C\u002Fdiv>\u003C\u002Fdiv>\n\u003Cdiv class='demo'>\u003Ch4>column-reverse\u003C\u002Fh4>\u003Cdiv class='box cr'>\u003Cdiv>1\u003C\u002Fdiv>\u003Cdiv>2\u003C\u002Fdiv>\u003Cdiv>3\u003C\u002Fdiv>\u003C\u002Fdiv>\u003C\u002Fdiv>",true,{"id":846,"language":754,"code":847,"is_editable":844},723,"\u003Cstyle>\n*{box-sizing:border-box}\n.nav{display:flex;flex-direction:column;gap:10px;background:#0f172a;padding:16px;font-family:sans-serif}\n.nav a{color:#fff;text-decoration:none;background:#1e293b;padding:10px 14px;border-radius:6px}\n@media (min-width:600px){.nav{flex-direction:row;justify-content:center}}\n\u003C\u002Fstyle>\n\u003Cnav class='nav'>\u003Ca href='#'>Home\u003C\u002Fa>\u003Ca href='#'>Courses\u003C\u002Fa>\u003Ca href='#'>Blog\u003C\u002Fa>\u003Ca href='#'>Contact\u003C\u002Fa>\u003C\u002Fnav>\n\u003Cp style='font-family:sans-serif'>Resize the preview: column on mobile, row on desktop.\u003C\u002Fp>",{"id":849,"language":754,"code":850,"is_editable":844},724,"\u003Cstyle>\n.chat{display:flex;flex-direction:column-reverse;gap:8px;height:220px;width:260px;overflow:auto;background:#f8fafc;padding:10px;border:1px solid #cbd5e1;border-radius:8px;font-family:sans-serif}\n.msg{background:#10b981;color:#fff;padding:8px 12px;border-radius:12px;width:fit-content}\n\u003C\u002Fstyle>\n\u003Cdiv class='chat'>\u003Cdiv class='msg'>3. Newest message\u003C\u002Fdiv>\u003Cdiv class='msg'>2. Hello!\u003C\u002Fdiv>\u003Cdiv class='msg'>1. Oldest message\u003C\u002Fdiv>\u003C\u002Fdiv>",{"id":852,"language":336,"code":853,"is_editable":844},725,"\u002F* flex-direction Cheat Sheet *\u002F\n.container {\n  display: flex;\n}\n\n\u002F* Default: left to right *\u002F\n.row { flex-direction: row; }\n\n\u002F* Right to left *\u002F\n.row-reverse { flex-direction: row-reverse; }\n\n\u002F* Top to bottom *\u002F\n.column { flex-direction: column; }\n\n\u002F* Bottom to top *\u002F\n.column-reverse { flex-direction: column-reverse; }\n\n\u002F* Mobile-first responsive pattern *\u002F\n.responsive {\n  display: flex;\n  flex-direction: column;\n  gap: 1rem;\n}\n@media (min-width: 768px) {\n  .responsive { flex-direction: row; }\n}",[855],{"id":856,"title":857,"slug":858,"prompt":859,"starter_code":860,"expected_output":861,"language":754,"order_index":9},243,"Stack Items Vertically in Reverse","flex-direction-column-reverse-exercise","Make the three boxes appear in a vertical stack where Box 3 is on top and Box 1 is at the bottom. Use only the flex-direction property.","\u003Cstyle>\n.box{display:flex;gap:8px;background:#eef2ff;padding:10px;width:160px}\n.box div{background:#6366f1;color:#fff;padding:10px;border-radius:6px}\n\u003C\u002Fstyle>\n\u003Cdiv class='box'>\u003Cdiv>Box 1\u003C\u002Fdiv>\u003Cdiv>Box 2\u003C\u002Fdiv>\u003Cdiv>Box 3\u003C\u002Fdiv>\u003C\u002Fdiv>","Boxes are stacked vertically in the order Box 3, Box 2, Box 1 using flex-direction: column-reverse.","2026-10-01T16:44:12+00:00",{"id":437,"slug":439,"title":438},{"id":363,"slug":365,"title":364}]