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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":413,"title":414,"slug":415,"content":774,"course":775,"subcategory":776,"author":777,"reading_time_minutes":31,"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":872,"quiz":889,"exercises":892,"published_at":5,"updated_at":900,"prev":901,"next":902},"\u003Ch2 id=\"what-is-align-content-in-css\">What Is align-content in CSS?\u003C\u002Fh2>\u003Cp>The \u003Cstrong>align-content\u003C\u002Fstrong> property controls how multiple flex lines are positioned and spaced inside a flex container along the cross axis. It only works when the container has more than one line, which means flex-wrap must be set to wrap or wrap-reverse and the items must actually wrap. Many developers confuse align-content with align-items, so this lesson explains the difference clearly with examples.\u003C\u002Fp>\u003Ch3 id=\"syntax\">Syntax\u003C\u002Fh3>\u003Cpre>\u003Ccode>.container {\n  display: flex;\n  flex-wrap: wrap;\n  align-content: flex-start | flex-end | center | space-between | space-around | space-evenly | stretch;\n}\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp>The default value is \u003Ccode>stretch\u003C\u002Fcode> (the initial value is normal, which behaves like stretch in flexbox).\u003C\u002Fp>\u003Ch2 id=\"when-does-align-content-work\">When Does align-content Work?\u003C\u002Fh2>\u003Cul>\u003Cli>The container must be a flex container.\u003C\u002Fli>\u003Cli>The container must wrap its items onto \u003Cstrong>two or more lines\u003C\u002Fstrong>.\u003C\u002Fli>\u003Cli>The container must have \u003Cstrong>extra cross-axis space\u003C\u002Fstrong>, for example a fixed height in a row layout.\u003C\u002Fli>\u003C\u002Ful>\u003Cp>On a single-line flex container, align-content has no effect. Use align-items instead.\u003C\u002Fp>\u003Ch2 id=\"align-content-vs-align-items\">align-content vs align-items\u003C\u002Fh2>\u003Ctable>\u003Cthead>\u003Ctr>\u003Cth>Property\u003C\u002Fth>\u003Cth>What it aligns\u003C\u002Fth>\u003Cth>Needs wrapping?\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\u003Ctr>\u003Ctd>align-items\u003C\u002Ftd>\u003Ctd>Items inside each flex line\u003C\u002Ftd>\u003Ctd>No\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>align-content\u003C\u002Ftd>\u003Ctd>The flex lines as a group\u003C\u002Ftd>\u003Ctd>Yes, multiple lines required\u003C\u002Ftd>\u003C\u002Ftr>\u003C\u002Ftbody>\u003C\u002Ftable>\u003Cp>A helpful way to remember: align-items aligns \u003Cem>items\u003C\u002Fem>, align-content aligns \u003Cem>content\u003C\u002Fem> (the whole block of lines).\u003C\u002Fp>\u003Ch2 id=\"align-content-values-explained\">align-content Values Explained\u003C\u002Fh2>\u003Ch3 id=\"align-content-stretch-default\">align-content: stretch (default)\u003C\u002Fh3>\u003Cp>The lines grow to share the extra cross-axis space equally. Items on each line then get aligned using align-items inside their stretched line.\u003C\u002Fp>\u003Ch3 id=\"align-content-flex-start\">align-content: flex-start\u003C\u002Fh3>\u003Cp>All lines are packed together at the start of the cross axis (the top in a row layout) with no extra space between them.\u003C\u002Fp>\u003Ch3 id=\"align-content-flex-end\">align-content: flex-end\u003C\u002Fh3>\u003Cp>All lines are packed at the end of the cross axis (the bottom in a row layout).\u003C\u002Fp>\u003Ch3 id=\"align-content-center\">align-content: center\u003C\u002Fh3>\u003Cp>All lines are grouped in the middle of the container with equal free space above and below.\u003C\u002Fp>\u003Ch3 id=\"align-content-space-between\">align-content: space-between\u003C\u002Fh3>\u003Cp>The first line is at the start, the last line at the end, and free space is distributed between lines.\u003C\u002Fp>\u003Ch3 id=\"align-content-space-around\">align-content: space-around\u003C\u002Fh3>\u003Cp>Equal space around each line. The space at the edges is half the space between lines.\u003C\u002Fp>\u003Ch3 id=\"align-content-space-evenly\">align-content: space-evenly\u003C\u002Fh3>\u003Cp>The same amount of space is placed between lines and at both edges.\u003C\u002Fp>\u003Ch2 id=\"practical-example-wrapped-tag-cloud\">Practical Example: Wrapped Tag Cloud\u003C\u002Fh2>\u003Cp>If you have a fixed-height container with many wrapped items, align-content: flex-start keeps the lines tight at the top instead of stretching them apart. This is a very common fix when wrapped rows have unexpected large gaps between them.\u003C\u002Fp>\u003Ch2 id=\"why-are-my-wrapped-rows-far-apart\">Why Are My Wrapped Rows Far Apart?\u003C\u002Fh2>\u003Cp>This is one of the most common flexbox questions. When a wrapping flex container has a fixed height, the default align-content: stretch distributes the extra height among the lines, which creates large gaps. To pack the lines together, set \u003Ccode>align-content: flex-start\u003C\u002Fcode>.\u003C\u002Fp>\u003Ch2 id=\"align-content-with-gap\">align-content with gap\u003C\u002Fh2>\u003Cp>The gap property (row-gap in this case) sets the minimum space between lines. align-content then positions the lines and distributes any leftover space.\u003C\u002Fp>\u003Ch2 id=\"common-mistakes\">Common Mistakes\u003C\u002Fh2>\u003Cul>\u003Cli>\u003Cstrong>Using align-content on a single-line container.\u003C\u002Fstrong> Nothing happens.\u003C\u002Fli>\u003Cli>\u003Cstrong>Forgetting flex-wrap: wrap.\u003C\u002Fstrong> Without wrapping, there is only one line.\u003C\u002Fli>\u003Cli>\u003Cstrong>No extra height.\u003C\u002Fstrong> With height: auto, the container is exactly as tall as its lines, so there is no free space.\u003C\u002Fli>\u003Cli>\u003Cstrong>Confusing it with justify-content.\u003C\u002Fstrong> justify-content works on the main axis, align-content on the cross axis.\u003C\u002Fli>\u003C\u002Ful>\u003Ch2 id=\"faq\">FAQ\u003C\u002Fh2>\u003Ch3 id=\"what-is-the-difference-between-align-items-and-align-content\">What is the difference between align-items and align-content?\u003C\u002Fh3>\u003Cp>align-items aligns items inside each line. align-content aligns the lines themselves and requires multiple lines.\u003C\u002Fp>\u003Ch3 id=\"why-is-align-content-not-working\">Why is align-content not working?\u003C\u002Fh3>\u003Cp>Most likely there is only one line, or the container has no extra cross-axis space.\u003C\u002Fp>\u003Ch3 id=\"does-align-content-work-with-css-grid\">Does align-content work with CSS Grid?\u003C\u002Fh3>\u003Cp>Yes. In Grid, align-content distributes the grid tracks inside the container.\u003C\u002Fp>\u003Ch2 id=\"key-takeaways\">Key Takeaways\u003C\u002Fh2>\u003Cul>\u003Cli>align-content positions multiple flex lines on the cross axis.\u003C\u002Fli>\u003Cli>It needs flex-wrap: wrap and extra container height.\u003C\u002Fli>\u003Cli>Default stretch can create big gaps, so use flex-start to pack lines.\u003C\u002Fli>\u003Cli>Seven values: flex-start, flex-end, center, space-between, space-around, space-evenly, stretch.\u003C\u002Fli>\u003C\u002Ful>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n.container{display:flex;flex-wrap:wrap;align-content:stretch;width:300px;height:260px;background:#ecf0f1;border-radius:8px;gap:8px;padding:8px;box-sizing:border-box;}\n.item{width:80px;height:40px;background:#3498db;color:#fff;border-radius:6px;font-family:sans-serif;display:flex;align-items:center;justify-content:center;}\n<\u002Fstyle>\n<p style='font-family:sans-serif'>align-content: stretch (default)<\u002Fp>\n<div class='container'>\n<div class='item'>1<\u002Fdiv>\n<div class='item'>2<\u002Fdiv>\n<div class='item'>3<\u002Fdiv>\n<div class='item'>4<\u002Fdiv>\n<div class='item'>5<\u002Fdiv>\n<div class='item'>6<\u002Fdiv>\n<\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n.container{display:flex;flex-wrap:wrap;align-content:flex-start;width:300px;height:260px;background:#ecf0f1;border-radius:8px;gap:8px;padding:8px;box-sizing:border-box;}\n.item{width:80px;height:40px;background:#27ae60;color:#fff;border-radius:6px;font-family:sans-serif;display:flex;align-items:center;justify-content:center;}\n<\u002Fstyle>\n<p style='font-family:sans-serif'>align-content: flex-start<\u002Fp>\n<div class='container'>\n<div class='item'>1<\u002Fdiv>\n<div class='item'>2<\u002Fdiv>\n<div class='item'>3<\u002Fdiv>\n<div class='item'>4<\u002Fdiv>\n<div class='item'>5<\u002Fdiv>\n<div class='item'>6<\u002Fdiv>\n<\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n.container{display:flex;flex-wrap:wrap;align-content:center;width:300px;height:260px;background:#ecf0f1;border-radius:8px;gap:8px;padding:8px;box-sizing:border-box;}\n.item{width:80px;height:40px;background:#e67e22;color:#fff;border-radius:6px;font-family:sans-serif;display:flex;align-items:center;justify-content:center;}\n<\u002Fstyle>\n<p style='font-family:sans-serif'>align-content: center<\u002Fp>\n<div class='container'>\n<div class='item'>1<\u002Fdiv>\n<div class='item'>2<\u002Fdiv>\n<div class='item'>3<\u002Fdiv>\n<div class='item'>4<\u002Fdiv>\n<div class='item'>5<\u002Fdiv>\n<div class='item'>6<\u002Fdiv>\n<\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n.container{display:flex;flex-wrap:wrap;align-content:space-between;width:300px;height:260px;background:#ecf0f1;border-radius:8px;gap:8px;padding:8px;box-sizing:border-box;}\n.item{width:80px;height:40px;background:#8e44ad;color:#fff;border-radius:6px;font-family:sans-serif;display:flex;align-items:center;justify-content:center;}\n<\u002Fstyle>\n<p style='font-family:sans-serif'>align-content: space-between<\u002Fp>\n<div class='container'>\n<div class='item'>1<\u002Fdiv>\n<div class='item'>2<\u002Fdiv>\n<div class='item'>3<\u002Fdiv>\n<div class='item'>4<\u002Fdiv>\n<div class='item'>5<\u002Fdiv>\n<div class='item'>6<\u002Fdiv>\n<\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n.box{display:flex;flex-wrap:wrap;width:300px;height:260px;background:#ecf0f1;border-radius:8px;gap:8px;padding:8px;box-sizing:border-box;}\n.item{width:80px;height:40px;background:#c0392b;color:#fff;border-radius:6px;font-family:sans-serif;display:flex;align-items:center;justify-content:center;}\n<\u002Fstyle>\n<select onchange='document.getElementById(`ac`).style.alignContent=this.value'>\n<option>stretch<\u002Foption>\n<option>flex-start<\u002Foption>\n<option>flex-end<\u002Foption>\n<option>center<\u002Foption>\n<option>space-between<\u002Foption>\n<option>space-around<\u002Foption>\n<option>space-evenly<\u002Foption>\n<\u002Fselect>\n<div class='box' id='ac'>\n<div class='item'>1<\u002Fdiv>\n<div class='item'>2<\u002Fdiv>\n<div class='item'>3<\u002Fdiv>\n<div class='item'>4<\u002Fdiv>\n<div class='item'>5<\u002Fdiv>\n<div class='item'>6<\u002Fdiv>\n<\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>",{"name":335,"slug":336},{"name":395,"slug":396},{"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-align-content","CSS align-content: Space Wrapped Flex Lines Explained","Learn CSS align-content to distribute multiple flex lines. Compare it with align-items, see space-between and stretch in action with live code.",[788,796,800,804,836,840,844,848,852,868],{"id":789,"text":790,"level":27,"children":791},"what-is-align-content-in-css","What Is align-content in CSS?",[792],{"id":793,"text":794,"level":31,"children":795},"syntax","Syntax",[],{"id":797,"text":798,"level":27,"children":799},"when-does-align-content-work","When Does align-content Work?",[],{"id":801,"text":802,"level":27,"children":803},"align-content-vs-align-items","align-content vs align-items",[],{"id":805,"text":806,"level":27,"children":807},"align-content-values-explained","align-content Values Explained",[808,812,816,820,824,828,832],{"id":809,"text":810,"level":31,"children":811},"align-content-stretch-default","align-content: stretch (default)",[],{"id":813,"text":814,"level":31,"children":815},"align-content-flex-start","align-content: flex-start",[],{"id":817,"text":818,"level":31,"children":819},"align-content-flex-end","align-content: flex-end",[],{"id":821,"text":822,"level":31,"children":823},"align-content-center","align-content: center",[],{"id":825,"text":826,"level":31,"children":827},"align-content-space-between","align-content: space-between",[],{"id":829,"text":830,"level":31,"children":831},"align-content-space-around","align-content: space-around",[],{"id":833,"text":834,"level":31,"children":835},"align-content-space-evenly","align-content: space-evenly",[],{"id":837,"text":838,"level":27,"children":839},"practical-example-wrapped-tag-cloud","Practical Example: Wrapped Tag Cloud",[],{"id":841,"text":842,"level":27,"children":843},"why-are-my-wrapped-rows-far-apart","Why Are My Wrapped Rows Far Apart?",[],{"id":845,"text":846,"level":27,"children":847},"align-content-with-gap","align-content with gap",[],{"id":849,"text":850,"level":27,"children":851},"common-mistakes","Common Mistakes",[],{"id":853,"text":854,"level":27,"children":855},"faq","FAQ",[856,860,864],{"id":857,"text":858,"level":31,"children":859},"what-is-the-difference-between-align-items-and-align-content","What is the difference between align-items and align-content?",[],{"id":861,"text":862,"level":31,"children":863},"why-is-align-content-not-working","Why is align-content not working?",[],{"id":865,"text":866,"level":31,"children":867},"does-align-content-work-with-css-grid","Does align-content work with CSS Grid?",[],{"id":869,"text":870,"level":27,"children":871},"key-takeaways","Key Takeaways",[],[873,877,880,883,886],{"id":874,"language":754,"code":875,"is_editable":876},711,"\u003Cstyle>\n.container{display:flex;flex-wrap:wrap;align-content:stretch;width:300px;height:260px;background:#ecf0f1;border-radius:8px;gap:8px;padding:8px;box-sizing:border-box;}\n.item{width:80px;height:40px;background:#3498db;color:#fff;border-radius:6px;font-family:sans-serif;display:flex;align-items:center;justify-content:center;}\n\u003C\u002Fstyle>\n\u003Cp style='font-family:sans-serif'>align-content: stretch (default)\u003C\u002Fp>\n\u003Cdiv class='container'>\n\u003Cdiv class='item'>1\u003C\u002Fdiv>\n\u003Cdiv class='item'>2\u003C\u002Fdiv>\n\u003Cdiv class='item'>3\u003C\u002Fdiv>\n\u003Cdiv class='item'>4\u003C\u002Fdiv>\n\u003Cdiv class='item'>5\u003C\u002Fdiv>\n\u003Cdiv class='item'>6\u003C\u002Fdiv>\n\u003C\u002Fdiv>",true,{"id":878,"language":754,"code":879,"is_editable":876},712,"\u003Cstyle>\n.container{display:flex;flex-wrap:wrap;align-content:flex-start;width:300px;height:260px;background:#ecf0f1;border-radius:8px;gap:8px;padding:8px;box-sizing:border-box;}\n.item{width:80px;height:40px;background:#27ae60;color:#fff;border-radius:6px;font-family:sans-serif;display:flex;align-items:center;justify-content:center;}\n\u003C\u002Fstyle>\n\u003Cp style='font-family:sans-serif'>align-content: flex-start\u003C\u002Fp>\n\u003Cdiv class='container'>\n\u003Cdiv class='item'>1\u003C\u002Fdiv>\n\u003Cdiv class='item'>2\u003C\u002Fdiv>\n\u003Cdiv class='item'>3\u003C\u002Fdiv>\n\u003Cdiv class='item'>4\u003C\u002Fdiv>\n\u003Cdiv class='item'>5\u003C\u002Fdiv>\n\u003Cdiv class='item'>6\u003C\u002Fdiv>\n\u003C\u002Fdiv>",{"id":881,"language":754,"code":882,"is_editable":876},713,"\u003Cstyle>\n.container{display:flex;flex-wrap:wrap;align-content:center;width:300px;height:260px;background:#ecf0f1;border-radius:8px;gap:8px;padding:8px;box-sizing:border-box;}\n.item{width:80px;height:40px;background:#e67e22;color:#fff;border-radius:6px;font-family:sans-serif;display:flex;align-items:center;justify-content:center;}\n\u003C\u002Fstyle>\n\u003Cp style='font-family:sans-serif'>align-content: center\u003C\u002Fp>\n\u003Cdiv class='container'>\n\u003Cdiv class='item'>1\u003C\u002Fdiv>\n\u003Cdiv class='item'>2\u003C\u002Fdiv>\n\u003Cdiv class='item'>3\u003C\u002Fdiv>\n\u003Cdiv class='item'>4\u003C\u002Fdiv>\n\u003Cdiv class='item'>5\u003C\u002Fdiv>\n\u003Cdiv class='item'>6\u003C\u002Fdiv>\n\u003C\u002Fdiv>",{"id":884,"language":754,"code":885,"is_editable":876},714,"\u003Cstyle>\n.container{display:flex;flex-wrap:wrap;align-content:space-between;width:300px;height:260px;background:#ecf0f1;border-radius:8px;gap:8px;padding:8px;box-sizing:border-box;}\n.item{width:80px;height:40px;background:#8e44ad;color:#fff;border-radius:6px;font-family:sans-serif;display:flex;align-items:center;justify-content:center;}\n\u003C\u002Fstyle>\n\u003Cp style='font-family:sans-serif'>align-content: space-between\u003C\u002Fp>\n\u003Cdiv class='container'>\n\u003Cdiv class='item'>1\u003C\u002Fdiv>\n\u003Cdiv class='item'>2\u003C\u002Fdiv>\n\u003Cdiv class='item'>3\u003C\u002Fdiv>\n\u003Cdiv class='item'>4\u003C\u002Fdiv>\n\u003Cdiv class='item'>5\u003C\u002Fdiv>\n\u003Cdiv class='item'>6\u003C\u002Fdiv>\n\u003C\u002Fdiv>",{"id":887,"language":754,"code":888,"is_editable":876},715,"\u003Cstyle>\n.box{display:flex;flex-wrap:wrap;width:300px;height:260px;background:#ecf0f1;border-radius:8px;gap:8px;padding:8px;box-sizing:border-box;}\n.item{width:80px;height:40px;background:#c0392b;color:#fff;border-radius:6px;font-family:sans-serif;display:flex;align-items:center;justify-content:center;}\n\u003C\u002Fstyle>\n\u003Cselect onchange='document.getElementById(`ac`).style.alignContent=this.value'>\n\u003Coption>stretch\u003C\u002Foption>\n\u003Coption>flex-start\u003C\u002Foption>\n\u003Coption>flex-end\u003C\u002Foption>\n\u003Coption>center\u003C\u002Foption>\n\u003Coption>space-between\u003C\u002Foption>\n\u003Coption>space-around\u003C\u002Foption>\n\u003Coption>space-evenly\u003C\u002Foption>\n\u003C\u002Fselect>\n\u003Cdiv class='box' id='ac'>\n\u003Cdiv class='item'>1\u003C\u002Fdiv>\n\u003Cdiv class='item'>2\u003C\u002Fdiv>\n\u003Cdiv class='item'>3\u003C\u002Fdiv>\n\u003Cdiv class='item'>4\u003C\u002Fdiv>\n\u003Cdiv class='item'>5\u003C\u002Fdiv>\n\u003Cdiv class='item'>6\u003C\u002Fdiv>\n\u003C\u002Fdiv>",{"id":240,"slug":890,"title":891,"time_limit_seconds":5,"pass_percentage":303,"question_count":31},"align-content-quiz","align-content Quiz",[893],{"id":894,"title":895,"slug":896,"prompt":897,"starter_code":898,"expected_output":899,"language":754,"order_index":9},241,"Fix the Gaps Between Wrapped Rows","align-content-fix-row-gaps","The tag cloud below wraps into several rows inside a container with a fixed height, and the rows are spread far apart. Use a single align-content declaration to pack all rows tightly at the top. Then try align-content: center and space-between and observe the difference.","\u003Cstyle>\n.tags{\n  display:flex;flex-wrap:wrap;gap:8px;\n  width:280px;height:240px;padding:8px;box-sizing:border-box;\n  background:#ecf0f1;border-radius:8px;\n  \u002F* TODO: pack the rows together at the top *\u002F\n}\n.tag{background:#2980b9;color:#fff;padding:8px 14px;border-radius:20px;font-family:sans-serif;font-size:14px;}\n\u003C\u002Fstyle>\n\u003Cdiv class='tags'>\n\u003Cspan class='tag'>HTML\u003C\u002Fspan>\u003Cspan class='tag'>CSS\u003C\u002Fspan>\u003Cspan class='tag'>Flexbox\u003C\u002Fspan>\u003Cspan class='tag'>Grid\u003C\u002Fspan>\u003Cspan class='tag'>JavaScript\u003C\u002Fspan>\u003Cspan class='tag'>React\u003C\u002Fspan>\u003Cspan class='tag'>Responsive\u003C\u002Fspan>\u003Cspan class='tag'>Animation\u003C\u002Fspan>\n\u003C\u002Fdiv>","All tag rows are packed together at the top of the container with only the 8px gap between them.","2026-10-01T16:32:07+00:00",{"id":410,"slug":411,"title":384},{"id":387,"slug":389,"title":388}]