Best CSS Interview Questions and Answer Preparation Resources
Cascading style sheet, or else CSS, is a format of programming language which is used for label presentations of a mark-up language. By utilizing CSS, you can better control the look and the feel of the websites you are designing.CSS can be defined in the head section or put in a separate file and referenced from the HTML file or both. CSS consists of definitions of how a page component should render itself on the page.It saves time and gives consistency styling to all the web pages on any website. If you have a large website that has many pages then changing one element in your website will bring change to that element in every page.CSS loads the website faster. As I mentioned above, since there are fewer codes in CSS and HTML, the page will load faster. It will give a good user experience.
Dear readers, these CSS Interview Questions have been designed mainly to get you acquainted with the nature of questions you may encounter all through your interview on CSS (Cascading Style Sheets) Programming Language.
This CSS interview Questions list is curated for different popular websites on the web. Here you will find exercises, examples, and questions on the different basic and advanced concepts on CSS programming.
This questions series on CSS interview is created for a Web designer who wants to prepare CSS job interview questions. Here you will get questions on basics of CSS as well as advance CSS that help you to crack CSS job interviews
Here you will read a few advanced CSS interview questions for UI Developers which helps you to crack an interview on CSS(Cascading Style Sheets). Below CSS Questions may be asked in your interviews. These questions are also used by recruiters that have no senior CSS developer available who can test the practical knowledge of the aspirant.
Cascading Style Sheets short know as CSS is a programming language intended to simplify the process of making web pages presentable. It helps developers to make our webpage beautiful, responsive and attractive. Here in this article, we have listed Frequently Interview questions on CSS.
This article on CSS Interview Questions will help you ace your interviews and will set you on the path of becoming a Full Stack Web Developer. Here you can read the questions on basic CSS which is beneficial for CSS developers who are beginners.
Merits of external Style Sheets: The biggest advantages of external style sheets are that they can be applied to multiple documents while being managed from a single style sheet. This keeps code DRY and improves efficiency and convenience.
De-merits of external Style Sheets: It may decrease loading time in some situations. It may also not be practical if there are not enough styling conditions to justify an external sheet.
CSS box model is a container that contains multiple properties including borders, margin, padding and the content itself. It is used to create the design and layout of web pages and can be used as a toolkit for customizing the layout of different elements.
According to the CSS box model, every element renders as a rectangular box. The description of some properties of the CSS box model is given below:
Border Area: As the name represents, it is the area between the margin and the box's padding.
Margin Area: This area occupies space between the border and the margin.
Padding Area: It holds the element’s padding. It occupies the space around the content area and within the border-box.
Content Area: This area involves content like image, text, or other media content.
Embedded style sheets allow you to define styles for the whole HTML document in one place. Embedded style sheets refer to when you embed style sheet information into an HTML document using the <style> element. You do this by embedding the style sheet information within <style></style> tags in the head of your document.
The z-index property specifies the stack order of an element. An element with a greater stack order is always in front of an element with a lower stack order. Note: z-index only works on positioned elements (position: absolute, position: relative, position: fixed, or position: sticky). The default z-index of an element is 0 or auto.
A pseudo-element is used to apply a CSS style to the specific parts of the HTML element. The specific part may be the first line, letter, before or after a line or letter of an element.
Here, the above code will apply the style to the first line of the paragraph. By the same way you can do for the first letter(::first-letter), before content(::before), after content(::after), and selection(::selection).
CSS selectors are used to select the content you want to style. Selectors are the part of CSS rule set. CSS selectors select HTML elements according to its id, class, type, attribute etc. There are several different types of selectors in CSS.
Class selector in css is used to select all elements which belong to a particular class attribute. To select the elements with a particular class, use (.) character with specifying class name. Class name is mostly used to set the CSS property to given class.
The opacity property in CSS is used to specify how transparent an element is. Opacity has a default initial value of 1 (100% opaque). Opacity is not inherited, but because the parent has an opacity that applies to everything within it.
CSS float is a property that forces any element to float (right, left, none, inherit) inside its parent body with the rest of the element to wrap around it. This property can be used to place an image or an element inside its container and other inline elements will wrap around it.
CSS counters are like variables that are managed by the CSS. These values are expanded by CSS rules so that they can be traced and can see how many times they are used. It allows the adjustment in the appearance of content concerning its location in a document.
CSS counters have some properties which are mentioned below: -
counter-reset: It is applied to reset a counter.
counter-increment: It enlarged a counter value.
content: It is utilized to create content.
counter() or counters() function: These are related to combining the value of a counter to the element.
CSS gradients help you to display transitions between more than two colors. In order to create a linear gradient, you must represent at least two color stops. Color stops are the colors you desire to render smooth transitions among. In addition to the gradient effect, you can also set a starting point and a direction.
The @import rule allows you to import a style sheet into another style sheet. The @import rule must be at the top of the document (but after any @charset declaration). The @import rule also supports media queries, so you can allow the import to be media-dependent.
Universal selectors in CSS can select any type of elements in an HTML page. 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.
The default z-index value of all the elements on a web page is auto, which corresponds to 0 where no z-index is assigned. An element with z-index: -1 will be displayed behind all other elements on the page, assuming they are given no z-index values.
Contextual selectors in CSS allow you to specify different styles for different parts of your document. You can assign styles directly to specific HTML tags, or you can create independent classes and assign them to tags in the HTML. Either approach lets you mix and match styles.