W3schools css comment

A CSS rule-set consists of a selector and a declaration block: The selector points to the HTML element you want to style. The declaration block contains one or more declarations separated by semicolons. Each declaration includes a CSS property name and a value, separated by a colon. You can add comments to your HTML source by using the following syntax: ! W3Schools is optimized for learning, testing, and training.

Examples might be simplified to improve reading and basic. The comment tag is used to insert comments in the source code. Comments are not displayed in the browsers.

This is especially useful if you have a lot of code. Video tutorial from the CSS Selectors chapter of the CSS tutorial on w3schools. Using comments while writing CSS code is helpful for both you and anyone else that may work on or learn from the code. You can use comments to explain potentially confusing functions, quickly prevent blocks of code. Everything that’s in between the.

This allows you to enter notes into CSS that will not be interpreted. In this case, this comment lets someone reading the CSS file know that that particular line of CSS was intended to allow for using ems to set font size later in the CSS in a more intuitive base way. Those comments are informational only, just as HTML comments are (although the syntax is different). CSS comments are not displayed when the page renders in web browsers. CSS A modern CSS framework for faster and better responsive web pages LEARN W3.

Bootstrap A CSS framework for designing better web pages LEARN BOOTSTRAP LEARN BOOTSTRAP 4. Exercises Test yourself with exercises. By design, comments have no effect on the layout of a document. The reference contains examples for all objects, properties, and methods, and is continuously updated according to the latest web standards. For the time being, you must know basic CSS in order to style your comment box.

Mozilla Developer Network has tutorials for learning CSS. You can customize the size, color and fonts in your comment box using CSS , just like you can for the rest of your webpage. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Blog Officiel w3schools - Online Web.

Is there any way to nest comments in CSS ? I want to put comment in my css code, how can I do that ? Cascading Style Sheets related issues. Note: If you want to validate your CSS style sheet embedded in an (X)HTML document, you should first check that the (X)HTML you use is valid. CSS - Environment Setup - There are two ways to use W3. CDN version of the library throughout this tutorial. Conditional comments are the best way to add this CSS, since the system is explicitly designed for this use case.

If you need special styles for IEor up you’ll have to find another metho since conditional comments were disabled in IE10. However, these versions are much less buggy than the earlier ones. Our comprehensive guide to CSS flexbox layout.

This complete guide explains everything about flexbox, focusing on all the different possible properties for the parent element (the flex container) and the child elements (the flex items). It also includes history, demos, patterns, and a browser support chart.