October 23, 2018

Sreekanth B

eClerx Most Frequently Asked Latest CSS Interview Questions Answers

Enlist the various Media types used?

Different media has different properties as they are case insensitive.

They are:

Aural – for sound synthesizers and speech
Print – gives a preview of the content when printed
Projection- projects the CSS on projectors.
Handheld- uses handheld devices.
Screen- computers and laptop screens.

Which Property Is Used To Set The Width Of An Image Border?

The border property is used to set the width of an image border.

Which Property Is Used To Set The Height Of An Image?

The height property is used to set the height of an image.

Which Property Is Used To Set The Width Of An Image?

The width property is used to set the width of an image.

What is CSS Box Model and what are its elements?

This box defines design and layout of elements of CSS. The elements are:

Margin: the top most layer, the overall structure is shown
Border: the padding and content option with a border around it is shown.  Background color affects the border.
Padding: Space is shown. Background colour affects the border.
Content: Actual content is shown.
eClerx Most Frequently Asked Latest CSS Interview Questions Answers
eClerx Most Frequently Asked Latest CSS Interview Questions Answers

What is graceful degradation?

In case the component fails, it will continue to work properly in the presence of a graceful degradation. The latest browser application is used when a webpage is designed. As it is not available to everyone, there is a basic functionality, which enables its use to a wider audience. In case the image is unavailable for viewing, text is shown with the alt tag.

What is progressive enhancement?

It’s an alternative to graceful degradation, which concentrates on the matter of the web. The functionality is same, but it provides an extra edge to users having the latest bandwidth. It has been into prominent use recently with mobile internet connections expanding their base.

How can backward compatibility be designed in CSS?

HTML sheet methods is collaborated with CSS and used accordingly.

How can the gap under the image be removed?

As images being inline elements are treated same as texts, so there is a gap left, which can be   removed by:

CSS


img { display: block ; }
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img { display: block ; }


Why is @import only at the top?

@import is preferred only at the top, to avoid any overriding rules. Generally, ranking order is followed in most programming languages such as Java, Modula, etc. In C, the # is a prominent example of a @import being at the top.

Which among the following is more precedent: CSS properties or HTML procedures?

CSS is more precedent over HTML procedures. Browsers, which do not have CSS support, display HTML attributes.

What is Inline style?

The Inline style in a CSS is used to add up styling to individual HTML elements.

How comments can be added in CSS?

The comments in CSS can be added with /* and */.

What is contextual selector?

Selector used to select special occurrences of an element is called contextual selector. A space separates the individual selectors. Only the last element of the pattern is addressed in this kind of selector. For e.g.: TD P TEXT {color: blue}

Compare RGB values with Hexadecimal color codes ?

A color can be specified in two ways:

A color is represented by 6 characters i.e. hexadecimal color coding. It is a combination of numbers and letters and is preceded by #.       e.g.: g {color: #00cjfi}
A color is represented by a mixture of red, green and blue. The value of a color can also be specified. e.g.: rgb(r,g,b): In this type the values can be in between the integers 0 and 255. rgb(r%,g%,b%):  red, green and blue percentage is shown.

Define Image sprites with context to CSS ?

When a set of images is collaborated into one image, it is known as ‘Image Sprites’. As the loading every image on a webpage consumes time, using image sprites lessens the time taken and gives information quickly.

CSS coding:

img.add { width: 60px; height: 55px; background: url (image.god) 0 0; }
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img.add { width: 60px; height: 55px; background: url (image.god) 0 0; }


In this case, only the part needed is used. The user can save substantial margin and time through this.

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