CSS Interview Questions
- 2) What is the origin of CSS?
- 3) What are the different variations of CSS?
- 4) How can you integrate CSS on a web page?
- 5) What are the advantages of CSS?
- 7) What are the CSS frameworks?
- 8) Why background and color are the separate properties if they should always be set together?
- 9) What is Embedded Style Sheet?
Also to know is, what is the use of * in CSS?
The * means "all elements" (a universal selector), so we are setting all elements to have zero margins, and zero padding, thus making them look the same in all browsers. It means apply those styles to all elements. In this instance its setting the margin and padding on all elements to 0 .
Secondly, what are the selectors in CSS? CSS selectors are used to "find" (or select) the HTML elements you want to style. We can divide CSS selectors into five categories: Simple selectors (select elements based on name, id, class) Combinator selectors (select elements based on a specific relationship between them)
Beside above, can you explain CSS box model?
All HTML elements can be considered as boxes. In CSS, the term "box model" is used when talking about design and layout. The CSS box model is essentially a box that wraps around every HTML element. It consists of: margins, borders, padding, and the actual content.
What is CSS software testing?
Cascading Style Sheets (CSS) is a style sheet language used for describing the presentation of a document written in a markup language like HTML. CSS is designed to enable the separation of presentation and content, including layout, colors, and fonts.
How do I override CSS?
How to override ! important. A) Add another CSS rule with ! important , and either give the selector a higher specificity (adding a tag, id or class to the selector), or add a CSS rule with the same selector at a later point than the existing one.Should you use important CSS?
IDs should be reserved for “unique” styles. Inline-styles should be reserved for rendering critical CSS. The ! important tag should only be used when you're absolutely sure about it.What is :: before and :: after?
The ::before selector inserts something before the content of each selected element(s). Use the content property to specify the content to insert. Use the ::after selector to insert something after the content.What is after in CSS?
In CSS, ::after creates a pseudo-element that is the last child of the selected element. It is often used to add cosmetic content to an element with the content property. It is inline by default.What does Star mean in CSS?
It matches a single element. An asterisk ( i.e. "*" ) is used to denote a CSS universal selector. An asterisk can also be followed by a selector. This is useful when you want to set a style for of all the elements of an HTML page or for all of the elements within an element of an HTML page.What are the main benefits of using CSS?
Some of the advantages of using CSS are:- Easier to maintain and update.
- Greater consistency in design.
- More formatting options.
- Lightweight code.
- Faster download times.
- Search engine optimization benefits.
- Ease of presenting different styles to different viewers.
- Greater accessibility.
What does before mean in CSS?
In CSS, ::before creates a pseudo-element that is the first child of the selected element. It is often used to add cosmetic content to an element with the content property. It is inline by default. /* Add a heart before links */ a::before { content: " ♥ "; }Why is CSS useful?
Cascading Style Sheets or CSS are an important way to control how your Web pages look. CSS can control the fonts, text, colors, backgrounds, margins, and layout. There are some very good reasons to learn CSS so that you can control your web pages look.How do I restore the default property value in CSS?
No, it is generally not possible. Once some CSS (or HTML) code sets a value for a property on an element, there is no way to undo it and tell the browser to use its default value. It is of course possible to set a property a value that you expect to be the default value.Who created Flexbox?
Unfortunately, according to Tab Atkins Jr who is often referred to as the main author of the flex layout and grid layout said this was woefully under specified. The layout algorithm was slow and between the two implementations, Webkit and Firefox, there were loads of divergent details.What is normal flow box layout in CSS?
Normal Flow, or Flow Layout, is the way that Block and Inline elements are displayed on a page before any changes are made to their layout. The flow is essentially a set of things that are all working together and know about each other in your layout.What is meant by Dom?
The Document Object Model (DOM) is a programming API for HTML and XML documents. It defines the logical structure of documents and the way a document is accessed and manipulated. Nevertheless, XML presents this data as documents, and the DOM may be used to manage this data.What is box sizing in CSS?
The box-sizing property allows us to include the padding and border in an element's total width and height. If you set box-sizing: border-box; on an element, padding and border are included in the width and height: Both divs are the same size now! Hooray!How do you reference CSS in HTML?
How to specify an external link- Define the style sheet.
- Create a link element in the HTML page's head area to define the link between the HTML and CSS pages.
- Set the link's relationship by setting the rel = “stylesheet” attribute.
- Specify the type of style by setting type = “text/css“.
How do I center a div in CSS?
Text-Align Method- Enclose the div that you want to center with a parent element (commonly known as a wrapper or container)
- Set “text-align: center” to parent element.
- Then set the inside div to “display: inline-block”
