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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":410,"title":384,"slug":411,"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":384,"meta_description":785,"og_image":5,"toc_json":786,"code_examples":863,"quiz":883,"exercises":886,"published_at":5,"updated_at":894,"prev":895,"next":896},"\u003Ch2 id=\"what-is-align-items-in-css\">What Is align-items in CSS?\u003C\u002Fh2>\u003Cp>The \u003Cstrong>align-items\u003C\u002Fstrong> property aligns flex items along the \u003Cstrong>cross axis\u003C\u002Fstrong> of a flex container. In the default row layout, that means vertical alignment. It is the property you use to vertically center content with CSS flexbox, to make cards the same height, and to align text and icons neatly.\u003C\u002Fp>\u003Ch3 id=\"syntax\">Syntax\u003C\u002Fh3>\u003Cpre>\u003Ccode>.container {\n  display: flex;\n  align-items: stretch | flex-start | flex-end | center | baseline;\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=\"align-items-vs-justify-content\">align-items vs justify-content\u003C\u002Fh2>\u003Ctable>\u003Cthead>\u003Ctr>\u003Cth>Property\u003C\u002Fth>\u003Cth>Axis\u003C\u002Fth>\u003Cth>In a row layout\u003C\u002Fth>\u003Cth>In a column layout\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\u003Ctr>\u003Ctd>justify-content\u003C\u002Ftd>\u003Ctd>Main axis\u003C\u002Ftd>\u003Ctd>Horizontal\u003C\u002Ftd>\u003Ctd>Vertical\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>align-items\u003C\u002Ftd>\u003Ctd>Cross axis\u003C\u002Ftd>\u003Ctd>Vertical\u003C\u002Ftd>\u003Ctd>Horizontal\u003C\u002Ftd>\u003C\u002Ftr>\u003C\u002Ftbody>\u003C\u002Ftable>\u003Ch2 id=\"align-items-values-explained\">align-items Values Explained\u003C\u002Fh2>\u003Ch3 id=\"align-items-stretch-default\">align-items: stretch (default)\u003C\u002Fh3>\u003Cp>Items stretch to fill the full size of the cross axis. In a row, items become as tall as the tallest item or the container height. This is why flex items in a row have equal height by default. Stretch only works when the item's cross size (height in a row) is not set to a fixed value.\u003C\u002Fp>\u003Ch3 id=\"align-items-flex-start\">align-items: flex-start\u003C\u002Fh3>\u003Cp>Items are aligned at the start of the cross axis, which is the top in a row layout. Items keep their natural height.\u003C\u002Fp>\u003Ch3 id=\"align-items-flex-end\">align-items: flex-end\u003C\u002Fh3>\u003Cp>Items are aligned at the end of the cross axis, which is the bottom in a row layout.\u003C\u002Fp>\u003Ch3 id=\"align-items-center\">align-items: center\u003C\u002Fh3>\u003Cp>Items are centered on the cross axis. Combined with justify-content: center, it gives you the shortest way to center an element in both directions.\u003C\u002Fp>\u003Ch3 id=\"align-items-baseline\">align-items: baseline\u003C\u002Fh3>\u003Cp>Items are aligned so that the first line of text in each item shares the same baseline. This is perfect when items have different font sizes or padding and you still want the text to line up. The values \u003Ccode>first baseline\u003C\u002Fcode> and \u003Ccode>last baseline\u003C\u002Fcode> are also available in modern browsers.\u003C\u002Fp>\u003Ch2 id=\"the-align-self-property\">The align-self Property\u003C\u002Fh2>\u003Cp>align-items is set on the container and applies to all items. To override the alignment for one item, use \u003Cstrong>align-self\u003C\u002Fstrong> on that item. It accepts the same values, plus auto, which means inherit the container's align-items value.\u003C\u002Fp>\u003Cpre>\u003Ccode>.container {\n  display: flex;\n  align-items: flex-start;\n  height: 200px;\n}\n\n.special {\n  align-self: flex-end;\n}\u003C\u002Fcode>\u003C\u002Fpre>\u003Ch2 id=\"how-to-center-a-div-vertically-with-align-items\">How to Center a Div Vertically with align-items\u003C\u002Fh2>\u003Cpre>\u003Ccode>.parent {\n  display: flex;\n  align-items: center;\n  height: 300px;\n}\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp>The container needs a height (or min-height). Without it, the container is only as tall as its content, so there is no extra cross-axis space to center within.\u003C\u002Fp>\u003Ch2 id=\"align-items-in-a-column-layout\">align-items in a Column Layout\u003C\u002Fh2>\u003Cp>When flex-direction is column, the cross axis is horizontal. Then align-items: center centers items horizontally, and align-items: stretch makes them fill the full width. This pattern is very common for mobile layouts and cards.\u003C\u002Fp>\u003Ch2 id=\"practical-use-cases\">Practical Use Cases\u003C\u002Fh2>\u003Cul>\u003Cli>Navigation bar: align logo, links and buttons on one vertical center line.\u003C\u002Fli>\u003Cli>Media object: image on the left, text on the right, aligned at the top (flex-start).\u003C\u002Fli>\u003Cli>Icon plus label: center an SVG icon with its text.\u003C\u002Fli>\u003Cli>Form row: align an input and a button using baseline or center.\u003C\u002Fli>\u003C\u002Ful>\u003Ch2 id=\"common-mistakes\">Common Mistakes\u003C\u002Fh2>\u003Cul>\u003Cli>\u003Cstrong>Container has no height.\u003C\u002Fstrong> Vertical centering will appear to do nothing.\u003C\u002Fli>\u003Cli>\u003Cstrong>Fixed height on items with stretch.\u003C\u002Fstrong> An item with a set height will not stretch.\u003C\u002Fli>\u003Cli>\u003Cstrong>Mixing up align-items and align-content.\u003C\u002Fstrong> align-items aligns items inside each line, align-content aligns the lines themselves.\u003C\u002Fli>\u003Cli>\u003Cstrong>Forgetting that the axis flips in column layouts.\u003C\u002Fstrong>\u003C\u002Fli>\u003C\u002Ful>\u003Ch2 id=\"faq\">FAQ\u003C\u002Fh2>\u003Ch3 id=\"how-do-i-vertically-center-content-with-flexbox\">How do I vertically center content with flexbox?\u003C\u002Fh3>\u003Cp>Use display: flex and align-items: center on the parent, and give the parent a height.\u003C\u002Fp>\u003Ch3 id=\"what-is-the-default-value-of-align-items\">What is the default value of align-items?\u003C\u002Fh3>\u003Cp>stretch.\u003C\u002Fp>\u003Ch3 id=\"what-is-the-difference-between-align-items-and-align-self\">What is the difference between align-items and align-self?\u003C\u002Fh3>\u003Cp>align-items is set on the container for all items. align-self is set on a single item to override it.\u003C\u002Fp>\u003Ch2 id=\"key-takeaways\">Key Takeaways\u003C\u002Fh2>\u003Cul>\u003Cli>align-items controls the cross axis.\u003C\u002Fli>\u003Cli>Values: stretch, flex-start, flex-end, center, baseline.\u003C\u002Fli>\u003Cli>Use align-self for single-item overrides.\u003C\u002Fli>\u003Cli>Vertical centering needs a container with extra height.\u003C\u002Fli>\u003C\u002Ful>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n.container{display:flex;align-items:stretch;gap:8px;height:140px;padding:10px;background:#ecf0f1;border-radius:8px;}\n.item{background:#3498db;color:#fff;padding:14px 20px;border-radius:6px;font-family:sans-serif;font-weight:bold;}\n<\u002Fstyle>\n<div class='container'>\n<div class='item'>stretch<\u002Fdiv>\n<div class='item'>stretch<\u002Fdiv>\n<div class='item'>stretch<\u002Fdiv>\n<\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n.container{display:flex;align-items:center;gap:8px;height:140px;padding:10px;background:#ecf0f1;border-radius:8px;}\n.item{background:#27ae60;color:#fff;padding:14px 20px;border-radius:6px;font-family:sans-serif;font-weight:bold;}\n<\u002Fstyle>\n<div class='container'>\n<div class='item'>A<\u002Fdiv>\n<div class='item' style='padding:30px 20px'>B<\u002Fdiv>\n<div class='item'>C<\u002Fdiv>\n<\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n.container{display:flex;align-items:baseline;gap:12px;padding:10px;background:#ecf0f1;border-radius:8px;font-family:sans-serif;}\n.item{background:#e67e22;color:#fff;padding:10px 16px;border-radius:6px;}\n<\u002Fstyle>\n<div class='container'>\n<div class='item' style='font-size:14px'>Small<\u002Fdiv>\n<div class='item' style='font-size:32px'>Large<\u002Fdiv>\n<div class='item' style='font-size:20px'>Medium<\u002Fdiv>\n<\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n.container{display:flex;align-items:flex-start;gap:8px;height:160px;padding:10px;background:#ecf0f1;border-radius:8px;}\n.item{background:#8e44ad;color:#fff;padding:14px 20px;border-radius:6px;font-family:sans-serif;font-weight:bold;}\n.bottom{align-self:flex-end;background:#c0392b;}\n.middle{align-self:center;background:#16a085;}\n<\u002Fstyle>\n<div class='container'>\n<div class='item'>top<\u002Fdiv>\n<div class='item middle'>center<\u002Fdiv>\n<div class='item bottom'>bottom<\u002Fdiv>\n<\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n.media{display:flex;align-items:center;gap:14px;padding:14px;background:#ecf0f1;border-radius:8px;font-family:sans-serif;}\n.avatar{width:56px;height:56px;border-radius:50%;background:#2980b9;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:bold;}\n.media h3{margin:0 0 4px 0;}\n.media p{margin:0;color:#555;}\n<\u002Fstyle>\n<div class='media'>\n<div class='avatar'>HK<\u002Fdiv>\n<div>\n<h3>Hamza Khalil<\u002Fh3>\n<p>Web developer and technical writer<\u002Fp>\n<\u002Fdiv>\n<\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n.box{display:flex;gap:8px;height:160px;padding:10px;background:#ecf0f1;border-radius:8px;}\n.item{background:#d35400;color:#fff;padding:14px 20px;border-radius:6px;font-family:sans-serif;font-weight:bold;}\n<\u002Fstyle>\n<select onchange='document.getElementById(`ai`).style.alignItems=this.value'>\n<option>stretch<\u002Foption>\n<option>flex-start<\u002Foption>\n<option>flex-end<\u002Foption>\n<option>center<\u002Foption>\n<option>baseline<\u002Foption>\n<\u002Fselect>\n<div class='box' id='ai'>\n<div class='item'>A<\u002Fdiv>\n<div class='item' style='font-size:28px'>B<\u002Fdiv>\n<div class='item'>C<\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-items","Learn CSS align-items in flexbox: stretch, center, flex-start, flex-end and baseline with live code, vertical centering tricks and align-self.",[787,795,799,823,827,831,835,839,843,859],{"id":788,"text":789,"level":27,"children":790},"what-is-align-items-in-css","What Is align-items in CSS?",[791],{"id":792,"text":793,"level":31,"children":794},"syntax","Syntax",[],{"id":796,"text":797,"level":27,"children":798},"align-items-vs-justify-content","align-items vs justify-content",[],{"id":800,"text":801,"level":27,"children":802},"align-items-values-explained","align-items Values Explained",[803,807,811,815,819],{"id":804,"text":805,"level":31,"children":806},"align-items-stretch-default","align-items: stretch (default)",[],{"id":808,"text":809,"level":31,"children":810},"align-items-flex-start","align-items: flex-start",[],{"id":812,"text":813,"level":31,"children":814},"align-items-flex-end","align-items: flex-end",[],{"id":816,"text":817,"level":31,"children":818},"align-items-center","align-items: center",[],{"id":820,"text":821,"level":31,"children":822},"align-items-baseline","align-items: baseline",[],{"id":824,"text":825,"level":27,"children":826},"the-align-self-property","The align-self Property",[],{"id":828,"text":829,"level":27,"children":830},"how-to-center-a-div-vertically-with-align-items","How to Center a Div Vertically with align-items",[],{"id":832,"text":833,"level":27,"children":834},"align-items-in-a-column-layout","align-items in a Column Layout",[],{"id":836,"text":837,"level":27,"children":838},"practical-use-cases","Practical Use Cases",[],{"id":840,"text":841,"level":27,"children":842},"common-mistakes","Common Mistakes",[],{"id":844,"text":845,"level":27,"children":846},"faq","FAQ",[847,851,855],{"id":848,"text":849,"level":31,"children":850},"how-do-i-vertically-center-content-with-flexbox","How do I vertically center content with flexbox?",[],{"id":852,"text":853,"level":31,"children":854},"what-is-the-default-value-of-align-items","What is the default value of align-items?",[],{"id":856,"text":857,"level":31,"children":858},"what-is-the-difference-between-align-items-and-align-self","What is the difference between align-items and align-self?",[],{"id":860,"text":861,"level":27,"children":862},"key-takeaways","Key Takeaways",[],[864,868,871,874,877,880],{"id":865,"language":754,"code":866,"is_editable":867},705,"\u003Cstyle>\n.container{display:flex;align-items:stretch;gap:8px;height:140px;padding:10px;background:#ecf0f1;border-radius:8px;}\n.item{background:#3498db;color:#fff;padding:14px 20px;border-radius:6px;font-family:sans-serif;font-weight:bold;}\n\u003C\u002Fstyle>\n\u003Cdiv class='container'>\n\u003Cdiv class='item'>stretch\u003C\u002Fdiv>\n\u003Cdiv class='item'>stretch\u003C\u002Fdiv>\n\u003Cdiv class='item'>stretch\u003C\u002Fdiv>\n\u003C\u002Fdiv>",true,{"id":869,"language":754,"code":870,"is_editable":867},706,"\u003Cstyle>\n.container{display:flex;align-items:center;gap:8px;height:140px;padding:10px;background:#ecf0f1;border-radius:8px;}\n.item{background:#27ae60;color:#fff;padding:14px 20px;border-radius:6px;font-family:sans-serif;font-weight:bold;}\n\u003C\u002Fstyle>\n\u003Cdiv class='container'>\n\u003Cdiv class='item'>A\u003C\u002Fdiv>\n\u003Cdiv class='item' style='padding:30px 20px'>B\u003C\u002Fdiv>\n\u003Cdiv class='item'>C\u003C\u002Fdiv>\n\u003C\u002Fdiv>",{"id":872,"language":754,"code":873,"is_editable":867},707,"\u003Cstyle>\n.container{display:flex;align-items:baseline;gap:12px;padding:10px;background:#ecf0f1;border-radius:8px;font-family:sans-serif;}\n.item{background:#e67e22;color:#fff;padding:10px 16px;border-radius:6px;}\n\u003C\u002Fstyle>\n\u003Cdiv class='container'>\n\u003Cdiv class='item' style='font-size:14px'>Small\u003C\u002Fdiv>\n\u003Cdiv class='item' style='font-size:32px'>Large\u003C\u002Fdiv>\n\u003Cdiv class='item' style='font-size:20px'>Medium\u003C\u002Fdiv>\n\u003C\u002Fdiv>",{"id":875,"language":754,"code":876,"is_editable":867},708,"\u003Cstyle>\n.container{display:flex;align-items:flex-start;gap:8px;height:160px;padding:10px;background:#ecf0f1;border-radius:8px;}\n.item{background:#8e44ad;color:#fff;padding:14px 20px;border-radius:6px;font-family:sans-serif;font-weight:bold;}\n.bottom{align-self:flex-end;background:#c0392b;}\n.middle{align-self:center;background:#16a085;}\n\u003C\u002Fstyle>\n\u003Cdiv class='container'>\n\u003Cdiv class='item'>top\u003C\u002Fdiv>\n\u003Cdiv class='item middle'>center\u003C\u002Fdiv>\n\u003Cdiv class='item bottom'>bottom\u003C\u002Fdiv>\n\u003C\u002Fdiv>",{"id":878,"language":754,"code":879,"is_editable":867},709,"\u003Cstyle>\n.media{display:flex;align-items:center;gap:14px;padding:14px;background:#ecf0f1;border-radius:8px;font-family:sans-serif;}\n.avatar{width:56px;height:56px;border-radius:50%;background:#2980b9;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:bold;}\n.media h3{margin:0 0 4px 0;}\n.media p{margin:0;color:#555;}\n\u003C\u002Fstyle>\n\u003Cdiv class='media'>\n\u003Cdiv class='avatar'>HK\u003C\u002Fdiv>\n\u003Cdiv>\n\u003Ch3>Hamza Khalil\u003C\u002Fh3>\n\u003Cp>Web developer and technical writer\u003C\u002Fp>\n\u003C\u002Fdiv>\n\u003C\u002Fdiv>",{"id":881,"language":754,"code":882,"is_editable":867},710,"\u003Cstyle>\n.box{display:flex;gap:8px;height:160px;padding:10px;background:#ecf0f1;border-radius:8px;}\n.item{background:#d35400;color:#fff;padding:14px 20px;border-radius:6px;font-family:sans-serif;font-weight:bold;}\n\u003C\u002Fstyle>\n\u003Cselect onchange='document.getElementById(`ai`).style.alignItems=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>baseline\u003C\u002Foption>\n\u003C\u002Fselect>\n\u003Cdiv class='box' id='ai'>\n\u003Cdiv class='item'>A\u003C\u002Fdiv>\n\u003Cdiv class='item' style='font-size:28px'>B\u003C\u002Fdiv>\n\u003Cdiv class='item'>C\u003C\u002Fdiv>\n\u003C\u002Fdiv>",{"id":235,"slug":884,"title":885,"time_limit_seconds":5,"pass_percentage":303,"question_count":31},"align-items-quiz","align-items Quiz",[887],{"id":888,"title":889,"slug":890,"prompt":891,"starter_code":892,"expected_output":893,"language":754,"order_index":9},240,"Center Anything with align-items","align-items-center-anything","Make the blue box perfectly centered inside the grey container, both horizontally and vertically, using only flexbox. Then change the layout so the three small boxes in the second container are aligned to the bottom of the container, and make the middle one stick to the top using align-self.","\u003Cstyle>\n.stage{\n  height:200px;background:#ecf0f1;border-radius:8px;\n  \u002F* TODO: center the child horizontally and vertically *\u002F\n}\n.blue{width:100px;height:60px;background:#3498db;border-radius:6px;}\n.row{\n  height:160px;background:#ecf0f1;border-radius:8px;margin-top:16px;gap:8px;padding:8px;\n  \u002F* TODO: display flex and align items to the bottom *\u002F\n}\n.small{width:60px;height:60px;background:#27ae60;border-radius:6px;}\n.middle{\n  \u002F* TODO: align-self so this one sits at the top *\u002F\n}\n\u003C\u002Fstyle>\n\u003Cdiv class='stage'>\u003Cdiv class='blue'>\u003C\u002Fdiv>\u003C\u002Fdiv>\n\u003Cdiv class='row'>\n\u003Cdiv class='small'>\u003C\u002Fdiv>\n\u003Cdiv class='small middle'>\u003C\u002Fdiv>\n\u003Cdiv class='small'>\u003C\u002Fdiv>\n\u003C\u002Fdiv>","The blue box is exactly in the middle of the first container. In the second container, two green boxes are at the bottom and the middle one is at the top.","2026-10-01T16:32:07+00:00",{"id":383,"slug":385,"title":384},{"id":413,"slug":415,"title":414}]