Understanding the Intrinsic Dimensions of Replaced Elements in CSS

I'm currently facing some challenges with the CSS Intrinsic & Extrinsic Sizing Module Level 3, specifically chapter 4.1 on Intrinsic Sizes.

This section is proving to be quite difficult for me:

When a block-level or inline-level replaced element has its height or width set to auto, it essentially uses its max-content size (CSS2§10.3.2)...

Background and Inquiry:

  • The term "max content size" refers to shrink-to-fit within an infinite containing block.
  • This means no soft wrap opportunities are considered, allowing the element to reach its maximum size without any forced adjustments with properties.
  • I can't seem to find this specific behavior outlined in CSS2§10.3.2 for elements where only one dimension is set to auto.
  • In fact, CSS2§10.3.2 doesn't address a scenario where an element has only one dimension as auto and lacks intrinsic size or aspect ratio (as indicated by the "OR" in the quoted text above).
  • Which part of CSS2§10.3.2 is being referenced here?
htmlcss

Answer №1

The concept of 'auto' width is detailed in section 10.3.2, which explains:

... if the 'width' property has a computed value of 'auto', while the 'height' property has a different computed value, and the element possesses an intrinsic ratio; then the actual value for 'width' will be:

(used height) * (intrinsic ratio)

The scenario where 'auto' height comes into play is discussed separately in section 10.6.2, stating:

... if the 'height' property has a computed value of 'auto', and the element exhibits an intrinsic ratio, then the calculated value for 'height' becomes:

(used width) / (intrinsic ratio)

Lastly, when both height and width are set to 'auto', with no intrinsic dimensions but an intrinsic ratio present, section 10.3.2 addresses this by indicating:

In situations where 'height' and 'width' are both computed as 'auto' and the element features an intrinsic ratio but lacks intrinsic height or width, the final result for 'width' is undefined within CSS 2.2.

This guideline is further elaborated in css-sizing 4.1, specifying:

this specification applies the rules above to the ambiguous scenario of a replaced element with both height and width set as auto.

Similar questions

If you have not found the answer to your question or you are interested in this topic, then look at other similar questions below or use the search

The header logo will have an absolute position to overlay the navigation menu when the screen is resized

I am currently working on a website layout that involves using position: absolute for the logo to overlay another div below it, purely for stylistic reasons. While I have achieved this effect, it doesn't translate well into responsive web design. When ...

htmlcss

Are there any other methods of using HREF in an <asp:Button> besides OnClientClick for invoking an inline div?

I decided to create a concealed <div> on the same page and tried calling it with href="#", which worked perfectly. However, when I attempted to use the same code in ASP.net, I encountered some issues with Javascript or other factors that prevented it ...

javascriptasp.nethtmlcsshref

Dividing an AngularJS module across multiple iFrames on a single webpage

Currently, I am working on a web application that consists of 1 module, 5 pages, and 5 controllers. Each HTML page declares the same ng-app. These pages are loaded within widgets on a web portal, meaning each page is loaded within an iFrame in the portal. ...

javascripthtmlangularjsiframe

Delete the float attribute from the image when the inline-block is shifted to the bottom of the image

I have three elements in my design - a title, a paragraph, and an image. I want the image to float to the right, with the title and paragraph floating to the left and bottom, resembling "Image 1." To prevent the title from wrapping when narrowing the oute ...

htmlcss

Exploring ways to animate a conditionally displayed component when the state changes using a combination of javascript and css

I am encountering a scenario where I have a react component with a specific part that is rendered conditionally. Upon clicking on a visible element within the component (button), the state changes triggering the display of the hidden parts. However, inst ...

cssreactjs

Executing a JavaScript function from the form attribute value in HTML: Steps to follow

<html> <head> <script type="text/javascript"> function add() { num1 = 20; num2 = 30; total = num1 + num2; return total; } </script> & ...

javascripthtml

How can you utilize jQuery to eliminate specific select field values from the DOM prior to submission?

I am currently working on a Squarespace form that utilizes jQuery to show/hide specific fields in order to create a customized form using the show(); and hide(); functions. $(".option2 select").hide(); The issue I am facing is that simply hiding the fiel ...

jqueryhtmlcsssquarespace

Hiding a div using the Bootstrap `.hidden-xs` class may not work as

I have been working on a website and I want to hide a specific section for users viewing it on small screens. I tried using Bootstrap's .hidden-xs class, but when I tested it using Chrome's mobile emulator set to "iPhone 5", the div did not hide ...

htmlcsstwitter-bootstrapresponsive-design

Achieving full coverage of cell content within a cell area by utilizing align-items in CSS Grid

Is it possible to achieve two conflicting goals using CSS Grid? In my design, I want the content in each cell to be vertically centered using align-items: center; At the same time, I need the entire area of the cell to be filled with color. However, ...

htmlcsscss-grid

Determining Text Color Based on Background Hue

Is it possible to create a div that dynamically changes text color based on the background color surrounding it? I want the text to switch between two different colors, with the font color being the opposite of the background color. For example, black text ...

htmlcsscolorsmix-blend-mode

jQuery and HTML: Need help enabling an <input> or <select> element?

Currently, I am using Mozilla Firefox 14.0.1 and Google Chrome 20.0.1132.57 (which I believe is the latest version). The code I am working with looks like this: http://jsfiddle.net/SVtDj/ Here is what I am trying to accomplish: Type something into inpu ...

javascriptjqueryhtml

Tips for arranging elements in proper order following a rotation

Having trouble aligning rotated divs? Let's say we rotate .straight by 30deg, and now we want to find the new offset coordinates of its bottom right corner. This way, we can perfectly match up the bottom left corners of .curve with this new coordinate ...

javascriptjquerycssmathrotation

Styling the content within Template Strings is not supported by VSCode

Recently, I've noticed that there are two scenarios in which my VSCode doesn't properly style the content within my template strings. One is when I'm writing CSS in a JavaScript file, and the other is when I'm fetching data from GraphQL ...

javascriptcssreactjsvisual-studio-codegraphql

Leveraging jQuery Ajax and MySQL to generate dynamic HTML content

I'm in the process of creating a unique photo gallery that utilizes dynamic features. Instead of relying on constant HTML/PHP refreshing for updates, I am incorporating jQuery to handle dynamic MYSQL queries. As a beginner, I've managed to creat ...

javascriptphpjqueryhtmlmysql

angular bootstrap dropdown opening on the left side

I am facing an issue with the angular bootstrap dropdown. I have successfully implemented it, as shown in this link. However, the problem is that the dropdown opens on the right side by default. Is there a way to make it open on the left side instead? Bel ...

cssangularjstwitter-bootstrapangular-bootstrap

The hover effect flickers in Firefox, but remains stable in Google Chrome

Here is an example link to check out: I am facing a dilemma on how to solve this issue and unsure if it is related to jQuery or the DOM structure. If you have any suggestions, they would be greatly appreciated. Thank you! ...

jquerycsshtml

"Is it possible to rearrange the parent div's position when hovering over a child image with jquery sortable

Can you assist me with a task? I have two text boxes with an equal sign image, and I want the user to be able to move the div only when hovering over the equal sign. This means that the user should be able to drag the div using the equal sign. Can you hel ...

javascriptjqueryhtmlcssjquery-ui

The z-index property does not seem to function properly when used in conjunction

I am experiencing an issue with the z-indexes of two divs: one with default positioning and the other with a fixed position. No matter how I adjust the z-index values, it appears impossible to make the fixed-positioned element go behind the statically pos ...

cssz-index

The background color of the HTML element is not displaying properly in Internet Explorer 8

Currently, I am using the <body> tag to wrap three divs on a website where all background colors are set to white. In the CSS, I have specified the background color as #fff for the html and body tags. The site displays correctly in every browser exc ...

htmlcssinternet-explorerinternet-explorer-8background-color

To see website changes, refreshing with Ctrl + F5 is necessary in the browser

I have a simple website that uses only HTML and CSS. Whenever I upload new files to the site, they do not appear in the browser until I perform a hard refresh by pressing CTRL + F5. Does anyone have any suggestions on how to fix this issue? ...

htmlcssrefresh