If no height is set on a parent div it will only have the height of the child. If content is not fluid, like an image for example, width will stretch to fit it and so will all the ancestors (unless specified differently). Beside for your question : % heights inherits values only from height in direct parent CSS. With a Parent Element With a Static Height . What is the use of # symbol in link URL ? Usually it's equal height. How to align 3 divs (left/center/right) inside another div? We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Today in this blog post I am going to show you how to create same height as parent height div's. In most of the cases we need to create a div with same height, because if the div has paragraph of unequal length the div will look so wierd which is not good. Also, the answer varies on whether you want 100% height or equal height. You could do something like the equal height column trick. A percentage height on the root element is relative Web browsers calculate the total available width as Parent div not expanding to children's height (2) . For element to have height adjustable, it needs to be a block. How to divide an HTML page into four parts using frames ? How to float three div side by side using CSS? The same applies to max-width. The flex-grow property makes the child element grow to fit whatever the height of its . This is the best answer. Find centralized, trusted content and collaborate around the technologies you use most. How to enable extra set of restrictions for content in an iframe element in HTML5 ? Was the OP talking about the whole page? As shown earlier, flexbox is the easiest. For instance, the body has font-size set to 16px, so that if we set font-size: 2em for div element, it will have font-size set to 32px. Use, How to Make a Child Div Element Wider than the Parent Div, How to Make an HTML
Element not Larger Than its Content, How to Horizontally Center a
in Another
, How to Give a Div Element 100% Height of the Browser Window, How to Make the Div Height to Auto-Adjust to the Background Size, How to Make a
Fill the Height of the Remaining Space. If it's 100% height the answer is slightly different. Thanks for contributing an answer to Stack Overflow! . I think you need to rephrase the question. Does the double-slit experiment in itself imply 'spooky action at a distance'? The only exception is the root element , which can be a percentage height. states bootstrap but you do not need bootstrap to use this. 3.3, Dealing with hard questions during a software developer interview. All Rights Reserved. How to specify URL of resource to be used by the object in HTML5 ? How to set div width to fit content using CSS ? Does With(NoLock) help with query performance? By clicking Accept, you consent to the use of ALL the cookies. How to Create Color Picker input box in HTML ? -200%) Instructions: - First set the width of the extended-content-container div to 500%. We also use third-party cookies that help us analyze and understand how you use this website. That is why you wont meet that many surprises or hard maths. Making statements based on opinion; back them up with references or personal experience. While I will write an article one day about the troubles and misunderstandings with flexbox, if you need to understand how it works, I highly recommend this (small) bible by CSS Tricks. You can put display: flex to div#main, align-self: stretch to div#navigation. Why was the nose gear of Concorde located so far aft? Example 1: This example makes a child flex-box of height 100% using CSS. The math is 16 * 2 * 1.2 = 38.4. John Locke is a SEO consultant from Sacramento, CA. How can a