CSS stands for Cascaded Style Sheet. It has the details with respect to the format of the text. It represents the documents in html with added effect. The file is given .css extension and is used externally as well. CSS file is created and used in html with import function. The tag which needs to be formatted in similar fashion are given a single reference to css file. One should have prior experience to make themselves ready for interview. Good number of positions is available for the candidates. Good knowledge on css will boost your confidence. Follow our Gradjobopenings page for CSS interview questions and answers page to get through your job interview successfully in first attempt. Interview questions are exclusively designed for job seekers to assist them in interviews.
Question 1. What Is Css?
Answer :
Cascading Style Sheets, fondly referred to as CSS, is a simple design language intended to simplify the process of making web pages presentable.
Question 2. What Are Advantages Of Using Css?
Answer :
Following are the advantages of using CSS −
•CSS saves time − You can write CSS once and then reuse same sheet in multiple HTML pages. You can define a style for each HTML element and apply it to as many Web pages as you want.
•Pages load faster − If you are using CSS, you do not need to write HTML tag attributes every time. Just write one CSS rule of a tag and apply it to all the occurrences of that tag. So less code means faster download times.
•Easy maintenance − To make a global change, simply change the style, and all elements in all the web pages will be updated automatically.
•Superior styles to HTML − CSS has a much wider array of attributes than HTML, so you can give a far better look to your HTML page in comparison to HTML attributes.
•Multiple Device Compatibility − Style sheets allow content to be optimized for more than one type of device. By using the same HTML document, different versions of a website can be presented for handheld devices such as PDAs and cell phones or for printing.
•Global web standards − Now HTML attributes are being deprecated and it is being recommended to use CSS. So its a good idea to start using CSS in all the HTML pages to make them compatible to future browsers.
•Offline Browsing − CSS can store web applications locally with the help of an offline catche.Using of this, we can view offline websites.The cache also ensures faster loading and better overall performance of the website.
•Platform Independence − The Script offer consistent platform independence and can support latest browsers as well.
Question 3. What Are The Components Of A Css Style?
Answer :
A style rule is made of three parts −
Selector − A selector is an HTML tag at which a style will be applied. This could be any tag like <h1> or <table> etc.
Property − A property is a type of attribute of HTML tag. Put simply, all the HTML attributes are converted into CSS properties. They could be color, border etc.
Value − Values are assigned to properties. For example, color property can have value either red or #F1F1F1 etc.
Question 4. What Is Type Selector?
Answer :
Type selector quite simply matches the name of an element type. To give a color to all level 1 headings −
h1 {
color: #36CFFF;
}
Question 5. What Is Universal Selector?
Answer :
Rather than selecting elements of a specific type, the universal selector quite simply matches the name of any element type
* {
color: #000000;
}
This rule renders the content of every element in our document in black.
Question 6. What Is Descendant Selector?
Answer :
Suppose you want to apply a style rule to a particular element only when it lies inside a particular element. As given in the following example, style rule will apply to <em> element only when it lies inside <ul> tag.
ul em {
color: #000000;
}
Question 7. What Is Class Selector?
Answer :
You can define style rules based on the class attribute of the elements. All the elements having that class will be formatted according to the defined rule.
.black {
color: #000000;
}
This rule renders the content in black for every element with class attribute set to black in our document.
Question 8. Can You Make A Class Selector Particular To An Element Type?
Answer :
You can make it a bit more particular. For example
h1.black
{
color: #000000;
}
This rule renders the content in black for only elements with class attribute set to black.
Question 9. What Is Id Selector?
Answer :
You can define style rules based on the id attribute of the elements. All the elements having that id will be formatted according to the defined rule.
#black {
color: #000000;
}
This rule renders the content in black for every element with id attribute set to black in our document.
Question 10. Can You Make A Id Selector Particular To An Element Type?
Answer :
can make it a bit more particular.
For example:
h1#black
{
color: #000000;
}
This rule renders the content in black for only elements with id attribute set to black.
Question 11. What Is A Child Selector?
Answer :
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.
Question 12. What Is An Attribute Selector?
Answer :
You can also apply styles to HTML elements with particular attributes. The style rule below will match all the input elements having a type attribute with a value of text
input[type = “text”]
{
color: #000000;
}
The advantage to this method is that the element is unaffected, and the color applied only to the desired text fields.
Question 13. How To Select All Paragraph Elements With A Lang Attribute?
Answer :
p[lang] : Selects all paragraph elements with a lang attribute.
Question 14. How To Select All Paragraph Elements Whose Lang Attribute Has A Value Of Exactly “fr”?
Answer :
p[lang=”fr”] – Selects all paragraph elements whose lang attribute has a value of exactly “fr”.
Question 15. How To Select All Paragraph Elements Whose Lang Attribute Contains The Word “fr”?
Answer :
p[lang~=”fr”] – Selects all paragraph elements whose lang attribute contains the word “fr”.
Question 16. How To Select All Paragraph Elements Whose Lang Attribute Contains Values That Are Exactly “en”, Or Begin With “en-“?
Answer :
p[lang|=”en”] – Selects all paragraph elements whose lang attribute contains values that are exactly “en”, or begin with “en-“.
Question 17. What Are The Various Ways Of Using Css In An Html Page?
Answer :
There are four ways to associate styles with your HTML document. Most commonly used methods are inline CSS and External CSS.
Embedded CSS − The
Question 18. How Css Style Overriding Works?
Answer :
Following is the rule to override any Style Sheet Rule
Any inline style sheet takes highest priority. So, it will override any rule defined in <style>…</style> tags or rules defined in any external style sheet file.
Any rule defined in <style>…</style> tags will override rules defined in any external style sheet file.
Any rule defined in external style sheet file takes lowest priority, and rules defined in this file will be applied only when above two rules are not applicable.
Question 19. What Is The Purpose Of % Measurement Unit?
Answer :
% – Defines a measurement as a percentage relative to another value, typically an enclosing element.
p {font-size: 16pt; line-height: 125%;}
Question 20. What Is The Purpose Of Cm Measurement Unit?
Answer :
cm − Defines a measurement in centimeters.
div {margin-bottom: 2cm;}
Question 21. What Is The Purpose Of Em Measurement Unit?
Answer :
em − A relative measurement for the height of a font in em spaces. Because an em unit is equivalent to the size of a given font, if you assign a font to 12pt, each “em” unit would be 12pt; thus, 2em would be 24pt.
p {letter-spacing: 7em;}
Question 22. What Is The Purpose Of Ex Measurement Unit?
Answer :
ex − This value defines a measurement relative to a font’s x-height. The x-height is determined by the height of the font’s lowercase letter.
p {font-size: 24pt; line-height: 3ex;}
Question 23. What Is The Purpose Of In Measurement Unit?
Answer :
in − Defines a measurement in inches.
p {word-spacing: .15in;}
Question 24. What Is The Purpose Of Mm Measurement Unit?
Answer :
mm − Defines a measurement in millimeters.
p {word-spacing: 15mm;}
Question 25. What Is The Purpose Of Pc Measurement Unit?
Answer :
pc − Defines a measurement in picas. A pica is equivalent to 12 points; thus, there are 6 picas per inch.
p {font-size: 20pc;}
Question 26. What Is The Purpose Of Pt Measurement Unit?
Answer :
pt − Defines a measurement in points. A point is defined as 1/72nd of an inch.
body {font-size: 18pt;}
Question 27. What Is The Purpose Of Px Measurement Unit?
Answer :
px − Defines a measurement in screen pixels.
p {padding: 25px;}
Question 28. What Is The Purpose Of Vh Measurement Unit?
Answer :
vh − 1% of viewport height.
h2 { font-size: 3.0vh; }
Question 29. What Is The Purpose Of Vw Measurement Unit?
Answer :
vw − 1% of viewport width.
h1 { font-size: 5.9vw; }
Question 30. What Is The Purpose Of Vmin Measurement Unit?
Answer :
vmin 1vw or 1vh, whichever is smaller.
p { font-size: 2vmin;}
Question 31. What Are Browser Safe Colors?
Answer :
There is the list of 216 colors which are supposed to be most safe and computer independent colors. These colors vary from hexa code 000000 to FFFFFF. These colors are safe to use because they ensure that all computers would display the colors correctly when running a 256 color palette.
Question 32. Which Property Is Used To Set The Background Color Of An Element?
Answer :
The background-color property is used to set the background color of an element.
Question 33. Which Property Is Used To Set The Background Image Of An Element?
Answer :
The background-image property is used to set the background image of an element.
Question 34. Which Property Is Used To Control The Repetition Of An Image In The Background?
Answer :
The background-repeat property is used to control the repetition of an image in the background.
Question 35. Which Property Is Used To Control The Position Of An Image In The Background?
Answer :
The background-position property is used to control the position of an image in the background.
Question 36. Which Property Is Used To Control The Scrolling Of An Image In The Background?
Answer :
The background-attachment property is used to control the scrolling of an image in the background.
Question 37. Which Property Is Used As A Shorthand To Specify A Number Of Other Background Properties?
Answer :
The background property is used as a shorthand to specify a number of other background properties.
Question 38. Which Property Is Used To Change The Face Of A Font?
Answer :
The font-family property is used to change the face of a font.
Question 39. Which Property Is Used To Make A Font Italic Or Oblique?
Answer :
The font-style property is used to make a font italic or oblique.
Question 40. Which Property Is Used To Create A Small-caps Effect?
Answer :
The font-variant property is used to create a small-caps effect.
Question 41. Which Property Is Used To Increase Or Decrease How Bold Or Light A Font Appears?
Answer :
The font-weight property is used to increase or decrease how bold or light a font appears.
Question 42. Which Property Is Used To Increase Or Decrease The Size Of A Font?
Answer :
The font-size property is used to increase or decrease the size of a font.
Pure.CSS Interview Questions
Question 43. Which Property Is Used As Shorthand To Specify A Number Of Other Font Properties?
Answer :
The font property is used as shorthand to specify a number of other font properties.
Question 44. Which Property Is Used To Set The Color Of A Text?
Answer :
The color property is used to set the color of a text.
Question 45. Which Property Is Used To Set The Text Direction?
Answer :
The direction property is used to set the text direction.
Question 46. Which Property Is Used To Add Or Subtract Space Between The Letters That Make Up A Word?
Answer :
The letter-spacing property is used to add or subtract space between the letters that make up a word.
Question 47. Which Property Is Used To Add Or Subtract Space Between The Words Of A Sentence?
Answer :
The word-spacing property is used to add or subtract space between the words of a sentence.
Question 48. Which Property Is Used To Indent The Text Of A Paragraph?
Answer :
The text-indent property is used to indent the text of a paragraph.
Question 49. Which Property Is Used To Align The Text Of A Document?
Answer :
The text-align property is used to align the text of a document.
Question 50. Which Property Is Used To Underline, Overline, And Strikethrough Text?
Answer :
The text-decoration property is used to underline, overline, and strikethrough text.
Question 51. Which Property Is Used To Capitalize Text Or Convert Text To Uppercase Or Lowercase Letters?
Answer :
The text-transform property is used to capitalize text or convert text to uppercase or lowercase letters.
Question 52. Which Property Is Used To Control The Flow And Formatting Of Text?
Answer :
The white-space property is used to control the flow and formatting of text.
Question 53. Which Property Is Used To Set The Text Shadow Around A Text?
Answer :
The text-shadow property is used to set the text shadow around a text.
Question 54. Which Property Is Used To Set The Width Of An Image Border?
Answer :
The border property is used to set the width of an image border.
Question 55. Which Property Is Used To Set The Height Of An Image?
Answer :
The height property is used to set the height of an image.
Question 56. Which Property Is Used To Set The Width Of An Image?
Answer :
The width property is used to set the width of an image.
Question 57. Which Property Is Used To Set The Opacity Of An Image?
Answer :
The -moz-opacity property is used to set the opacity of an image.
Question 58. Which Property Of A Hyperlink Signifies Unvisited Hyperlinks?
Answer :
The :link signifies unvisited hyperlinks.
Question 59. Which Property Of A Hyperlink Signifies Visited Hyperlinks?
Answer :
The :visited signifies visited hyperlinks.
Question 60. Which Property Of A Hyperlink Signifies An Element That Currently Has The User’s Mouse Pointer Hovering Over It?
Answer :
The :hover signifies an element that currently has the user’s mouse pointer hovering over it.
