Make inner div same height as parent. That should make the div the full width and height of the parent tag. The children divs will be different widths depending on their content so I need the parent div to adjust accordingly. Now, you can set both of the inner divs height to 100% - so in this case, both divs will fill to match the height of its parent container. <iframe src=". HTML: <div class="wrapper"> <div class="inner">Hello</div> <div Learn how to make a div dynamically fill the remaining screen space using CSS and HTML techniques. Auto width is making the parent div fit the entire screen. I want to have the child div assumes 100% of the parent's height. I want the outer div, which is black to wrap its divs floating within it. In such a situation, if the child also says I should have 100% height of my parent (through height:100%), it becomes a deadlock - parent height dependent on child, child height dependent on parent's. outer { display: flex; border: 1px solid blue; padding: 5px; box-sizing: border-box; Apr 16, 2025 · Forcing a child div to take up 100% of the height of its parent div without explicitly defining the parent’s height can be achieved in several ways. Also, ensure width: auto is used to let the div shrink horizontally. I thought this was possible with flex. Includes support for branding, navigation, and more, including support for our collapse plugin. I used following code to set the width and height of iframe. I dont want to use style='height: 200px in the div with the outerdiv id as I want it to be automatically the height of its I have an outer div which contains three inner divs. asp, using the properties display:flex and flex: 1, but unfortunately this does not work in my case. . This way the table takes up the parent div 100%, and #barWrap is used to add borders/margin/padding to the #bar table. Nov 27, 2025 · In this blog, we’ll demystify why this happens and explore four reliable solutions to force a child div (like a navigation sidebar) to match its parent’s height— without hardcoding the parent’s height. I have this simple template <template> <div class="bg-gray-500 h-screen"> <Header /><!-- //height 32 --> <div cla In this guide, we explore the three properties that control the size and flexibility of flex items along the main axis: flex-grow, flex-shrink, and flex-basis. Fully understanding how these properties work with growing and shrinking items is the key to mastering CSS flexible box layout. How can I make its height as equal to it's parent? Put the inner divs inside another div and try and use height and/or min-height 100% to make them as high as the containing div although I suspect this won't work as the containing div will probably stretch to the height of its containing div or the page. CHS is a farmer-owned cooperative delivering energy, agronomy, grain and food solutions to strengthen agriculture and communities worldwide. Because we didn't specify a flex on navbar and footer, body takes up the entire space in its parent container . However, if we specify a flex property in navbar and body, they will take up 1 part and 2 parts of the remaining parent container respectively: I've tried setting height: auto to the <div>, but while it sets the height to roughly same as <img>, it is larger by 1 pixel, and I'd like them to absolutely equal. I have an outer div divO that has a min and max height. Note that you will need to set the background of the whole thing in #barWrap and have #bar 's background be transparent or the same as #barWrap. Aug 2, 2025 · Learn how to set an outer div's height to match an inner div with CSS Flexbox, JavaScript, or Grid for responsive and organized layouts. clearfix type bit before the closing tags for #content but I'm not floating anything. hi i have one container which contains two boxes (child boxes), i want the parent to take the height of the tallest child which is already done using overflow:auto;, then i want the second child (which is short) to be same height as the parent. /myPage. com/howto/howto_css_equal_height. I want the left-most inner div to always determine the height of the outer div. Learn how to make an iframe fit 100% of its container's remaining height with practical examples and expert advice. Maybe this isn't working because of the relative positioning. On this page, we’ll demonstrate how you can make a child <div> element wider than the parent <div> element. In this div, there are two other divs. aspx" id="my The same thing happens with flex columns. CH Turn into flexboxes all direct parents with computed height (if any) and the next parent whose height is specified; Specify flex-grow: 1 to all direct parents with computed height (if any) and the element so they will take up all remaining space when the element content size is smaller; adding overflow: auto worked, although if I add also width: 100%, that causes the div (#main_content) to be slightly bigger than it's parent div. CSS: Make height of an inner div 100%, when parent is already 100% Asked 13 years, 1 month ago Modified 11 years, 10 months ago Viewed 36k times It is really odd that setting the height and width to 100% doesn't work. 0 how to align the height of each column to make them all equal ? I followed the rules from the page: https://www. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. This method ensures that the child flexbox takes the full height of the parent container. The inner div looks to be 1px narrower on each of the sides. Why in the following example the height of the inner div is not like wrapper's div ? Live demo here. To wrap and create new columns, the container needs to have a height. I want divO height to be driven by the inner div divI that will have varying amounts of content. In the case of columns, items stretch vertically to fill each column completely. Result: We want the red part to have a full height of the row but height: 100% on div and td is not enough. <div class="parent"> <div class="child-left floatLeft"> </div> <div class="child-right floatLeft"> </div> </div> Now, the child-left DIV will have more content, so the parent DIV's height increases as per the child DIV. child) that wraps into more rows. I have them in different divs so that I can add a scroll to the inner div without it causing the title to scroll. The question's title is about percentage of the parent (container) and vh units are not relative to the parent but the document. w3schools. The top, right, bottom, and left physical properties and the inset-block-start, inset-block-end, inset-inline-start, and inset-inline-end flow-relative logical properties can be used to determine the final location of positioned elements. The content of one div is set to change on user interaction, and any change in height resulting from this should drive the height of the parent or other children or both. I prefer GSAP and JS. I'm looking to have the div with the red border to be the same height as its green counterpart on the right? This is in bootstrap 4! Have tried display: flex and flex-grow, have also tried putting If you actually want the "#content" div to expand to "#container" height, you need to set a height for parent div "#container" and height and float for "#content" Documentation and examples for Bootstrap’s powerful, responsive navigation header, the navbar. I have tried putting a . Mar 30, 2012 · Some properties in CSS inherit the value of the parent automatically, some don't. Here's a picture: ! My div2 and div3 contain dynamic content, such that their heights will be different each time. div2 will always be much shorter than div3 though. Floating the div would make it shrinkwrap and so the div would only have room for the content inside. I dont want to use style='height: 200px in the div with the outerdiv id as I want it to be automatically the height of its Create a parent div with position:relative; Then the div you want to animate position:absolute. You will probably need to use clear on the elements coming afterwards. The position CSS property sets how an element is positioned in a document. /*Content*/ </div> </div> </body> I would like for the parent div to expand in height when the inner div 's height increases. Instead, is is getting 50% of the space available to the viewport, which means that as the browser/viewport shrinks in size, so does it. Consider the following two example ? Let us see the example using Flex ? . I want to make the div who does not have a set I want the outer div, which is black to wrap its divs floating within it. I want the size of iframe to be exactly the size of its parent div. I have borders around both. To increase distance between both the divs, I guess you can use padding. I have to set the height of this 3 div same as the hei <div class="parent"> <div class="child-left floatLeft"> </div> <div class="child-right floatLeft"> </div> </div> Now, the child-left DIV will have more content, so the parent DIV's height increases as per the child DIV. See what CSS properties you need and try examples. card to have the same height without r I have a iframe inside a div. I have some containers and their children are only absolute / relatively positioned. Example div: . Discover how to maintain equal heights for two side-by-side div elements using CSS techniques and properties. So as content grows in divI, divO and divI Hi, I have a parent div with height: auto. 130 I'm trying to make the parent div only as wide as the child div's. How can I make its height as equal to it's parent? If you actually want the "#content" div to expand to "#container" height, you need to set a height for parent div "#container" and height and float for "#content" I used min-height:100px; Overflow:hidden; to let the parent div automatically set its height to fit the inner div. 2 I need three child divs to have the same height as each other and as a parent div. These divs both have height: auto as well so the text mainly decides Using CSS, you can easily make a div adapt to different content sizes. @NateAnderson - easily - in all cases where the container's height is not the same as the Document height. In fact, around 85–90% of responsive web designs use this method to handle content that varies in size. Didn't get why! An element grows in height as much as required by its inner content. animate-div { z-index:1; position:absolute; top:0; left:0; right:0; bottom:0; margin:auto; } This example centers an absolute positioned div. i have tried various solutions given here CSS - Expand float child DIV height to parent's height but Using Flexbox and the Height Property We can use the display: flex property to create a flexbox child and use the height: 100% property to make the flex height 100% of the container. aspx" id="my I have a div nested inside another. With HTML/CSS, how can I make an element that has a width and/or height that is 100% of its parent element and still has proper padding or margins? By &quot;proper&quot; I mean that if my parent el Learn how to ensure child divs always fit within their parent div using CSS properties and techniques. How do you get the two column divs to always be the same height (or always go down to the bottom) of the container DIV? As the innner content grows, the wrapper DIV (in red) will grow with it, and maintain its padding (just like a table would). The parent div contains the title for a drop down menu. But the problem is child-right height is not increasing. Edit: One problem is that if the width of the child content expands past the width of the browser window, my current CSS puts a horizontal scrollbar on the parent div. Example: In this example, we are using the above-explained method. I would like the scrollbar to be at the page level. main. The inner div contains the choices. The most common methods include using flexbox, absolute positioning, and CSS Grid. I have a parent DIV with Relative positioning and a two column child DIV setup inside of it, both positioned Absolute. One of the most common ways to do this is by setting height: auto;, which allows the div to grow or shrink depending on its content. I am looking for a way to fo By setting the width and height properties of the child div to 100%, it will automatically stretch to fill the entire width and height of the parent container. May be it is a duplicate question . How to set the container's height so their children will be inside of them? Here's the code: article { position: I have a flex div (. I need the parent DIV's height to stretch with the content of the inner DIV's. Minimum height must be explicitly stated when you want it to inherit the parent's value: Nov 27, 2025 · If the div is taller than the parent, check that max-height: 100% is set and the parent has a defined height. My problem is that I can't seem to get the border of each div . Aug 9, 2016 · However if you do have given explicit height to the parent element, then you could just use height:100% on the child. I'm curious to see the solution when someone finds it. How can you set the height of an outer div to always be equal to a particular inner div? In this article, we will set the left-most inner div to determine the height of the outer div. Assuming that both of those divs are contained in the same parent element, what you can do is set the height for that parent container. parent) with child divs (you guessed it, . Others' are not matching with my requirement i have 3 child div (secound-div-inner-single (class name)). W3Schools offers free online tutorials, references and exercises in all the major languages of the web. One with an icon, one with some text in it. But you need height and width which you add via css or js. If this isn't working, you can PM me and I will help you out some more In my application I have a parent div and two other child divs inside this parent. One of these child div's has a set height while the other does not. If the other inner divs have less content [than the left-most di 0 I have a div called "content-left" within another "main-content". I have a iframe inside a div. If you haven’t given explicit height, you could try this is using flex-box. These divs both have height: auto as well so the text mainly decides What I would like to happen is for the inner div to occupy 50% of the space given to its parent div (outer). I am using tailwind in my Vuejs app. Hi, I have a parent div with height: auto. tsbgj, d1fu, zjob, lwrhvs, egvn, lkshb, 0ai8, cyykt, 3p1p, 6bzlt,