Hitachi Most Frequently Asked Latest CSS Interview Questions Answers
What is the usage of Class selector?
Selectors that are unique to a specific style, are called CLASS selectors. Declaration of style and association with HTML can be made through this. Syntax:
Classname
it can be A-Z, a-z or digits.
.top {font: 14em ;}, class selector
<Body class= “top”> this class is associated with element </body>
What happens if 100% width is used along with floats all across the page?
While making the float declaration, 1 pixel is added every time it is used in the form of the border, and even more float is allowed thereafter.
Can default property value be restored through CSS? If yes, how?
In CSS, you cannot revert back to old values due to lack of default values. The property can be re- declared to get the default property.
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.
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 ; }
1
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; }
1
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.
Compare Grouping and Nesting in CSS ?
Grouping: Selectors can be grouped having the same values of property and the code be reduced.
E.g. :
h1 {
color: blue;
}
h2 {
color: blue;
}
p {
color: blue;
}
h1 {
color: blue;
}
h2 {
color: blue;
}
p {
color: blue;
}
It can be seen from the code that every element shares the same property. Rewriting can be avoided by writing each selector separated by a comma.
Nesting: Specifying a selector within a selector is called nesting.
P
{
color: red;
text-align: left;
}
.marked
{
background-color: blue;
}
.marked p
{
color: green;
}
25
P
{
color: red;
text-align: left;
}
.marked
{
background-color: blue;
}
.marked p
{
color: green;
}
How can the dimension be defined of an element ?
Dimension properties can be defined by:
Height
Max-height
Max-width
Min-height
Min-width
Width
Define float property of CSS?
By float property, the image can be moved to the right or the left along with the text to be wrapped around it. Elements before this property is applied do not change their properties.
How does Z index function?
Overlapping may occur while using CSS for positioning HTML elements. Z index helps in specifying the overlapping element. It is a number which can be positive or negative, the default value being zero.
Define Attribute Selector ?
It is defined by a set of elements, value and its parts.
What Is A Child Selector?
Consider the following example
body > p
{
color: #000000;
}
This rule will render all the paragraphs in black if they are direct child ofelement. Other paragraphs put inside other elements like or would not have any effect of this rule.
What is the usage of Class selector?
Selectors that are unique to a specific style, are called CLASS selectors. Declaration of style and association with HTML can be made through this. Syntax:
Classname
it can be A-Z, a-z or digits.
.top {font: 14em ;}, class selector
<Body class= “top”> this class is associated with element </body>
What happens if 100% width is used along with floats all across the page?
While making the float declaration, 1 pixel is added every time it is used in the form of the border, and even more float is allowed thereafter.
Can default property value be restored through CSS? If yes, how?
In CSS, you cannot revert back to old values due to lack of default values. The property can be re- declared to get the default property.
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.
 |
| Hitachi Most Frequently Asked Latest CSS Interview Questions Answers |
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.
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 ; }
1
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; }
1
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.
Compare Grouping and Nesting in CSS ?
Grouping: Selectors can be grouped having the same values of property and the code be reduced.
E.g. :
h1 {
color: blue;
}
h2 {
color: blue;
}
p {
color: blue;
}
h1 {
color: blue;
}
h2 {
color: blue;
}
p {
color: blue;
}
It can be seen from the code that every element shares the same property. Rewriting can be avoided by writing each selector separated by a comma.
Nesting: Specifying a selector within a selector is called nesting.
P
{
color: red;
text-align: left;
}
.marked
{
background-color: blue;
}
.marked p
{
color: green;
}
25
P
{
color: red;
text-align: left;
}
.marked
{
background-color: blue;
}
.marked p
{
color: green;
}
How can the dimension be defined of an element ?
Dimension properties can be defined by:
Height
Max-height
Max-width
Min-height
Min-width
Width
Define float property of CSS?
By float property, the image can be moved to the right or the left along with the text to be wrapped around it. Elements before this property is applied do not change their properties.
How does Z index function?
Overlapping may occur while using CSS for positioning HTML elements. Z index helps in specifying the overlapping element. It is a number which can be positive or negative, the default value being zero.
It is defined by a set of elements, value and its parts.
What Is A Child Selector?
Consider the following example
body > p
{
color: #000000;
}
This rule will render all the paragraphs in black if they are direct child ofelement. Other paragraphs put inside other elements like or would not have any effect of this rule.
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