CSS and HTML Fundamentals Quiz

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is a property used for positioning elements in CSS?

display

align

position (correct)

float

Which value of the position property allows an element to be positioned related to its normal position?

fixed

relative (correct)

sticky

absolute

Which CSS property is used to create space between the border and the content within an element?

border-spacing

padding (correct)

margin

gap

Which of the following CSS values allows an element to remain in its normal flow but be removed from the layout?

absolute Signup and view all the answers

Which statement about block elements is accurate?

Some elements are inline and some are block. Signup and view all the answers

What is the correct HTML element for emphasizing text?

Signup and view all the answers

How do block elements behave in relation to the surrounding elements?

They stack vertically, one below the other. Signup and view all the answers

Which of the following statements about inline elements is true?

They occupy only as much width as necessary. Signup and view all the answers

Which HTML tag is often confused with the tag but serves a different purpose?

Signup and view all the answers

What will be the output of the program when s.foo() is called?

Super Signup and view all the answers

What type of error will occur if the superclass and subclass methods have the same name without overriding?

Compile time error Signup and view all the answers

What is the significance of the method foo() in subclass?

It overrides Super's foo() method Signup and view all the answers

Which of the following statements is true regarding method invocation with Super and Subclass?

It depends on the reference type Signup and view all the answers

What is the relationship between Super and Subclass in OOP terms?

Subclass inherits methods from Super Signup and view all the answers

What will happen if the foo method in Subclass is defined as 'void foo()' instead?

The program will output 'Subclass' Signup and view all the answers

In this program structure, how many methods named foo exist?

Two Signup and view all the answers

What type of inheritance is being demonstrated in this program?

Single inheritance Signup and view all the answers

What will be the output of the program in SqrtExample if a negative value is passed to Math.sqrt?

NaN Signup and view all the answers

In Java, which of the following describes unchecked exceptions?

Exceptions that do not need to be declared in a method or constructor. Signup and view all the answers

When calling Math.sqrt with a negative number, which alternate result could a user mistakenly expect?

The square root of the absolute value. Signup and view all the answers

What is the result of compiling a Java program with a syntax error?

It will generate a compilation error. Signup and view all the answers

Which of the following is a feature of exceptions in Java?

Exceptions can disrupt normal program flow. Signup and view all the answers

What is a potential side effect of using a negative number as input for Math.sqrt?

It leads to NaN, suggesting 'Not a Number'. Signup and view all the answers

Which of the following is not true regarding exceptions in Java?

All exceptions require explicit declaration in Java. Signup and view all the answers

How do you access the value of a global variable declared with let or const?

variableName Signup and view all the answers

Which method is used to attach an event listener to an HTML element in JavaScript?

element.addEventListener() Signup and view all the answers

What is the correct way to call a function named 'myFunction'?

myFunction() Signup and view all the answers

In a mouse event, how can you check which mouse button was clicked?

event.button Signup and view all the answers

What CSS properties would you use to create a fixed-size grid container?

width: 300px; height: 200px; Signup and view all the answers

How do you create a new HTML element using JavaScript?

createElement() Signup and view all the answers

What command is used to create a responsive grid layout using CSS Grid?

grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); Signup and view all the answers

Which of the following is NOT a valid way to define a JavaScript function?

myFunction() => {} Signup and view all the answers

How do you insert a comment in a CSS file?

/* this is a comment */ Signup and view all the answers

What is the correct CSS property to make each word in a text start with a capital letter?

text-transform: capitalize Signup and view all the answers

Which property is used to make the text bold in CSS?

font-weight:bold; Signup and view all the answers

Which method is used to remove an HTML element from the DOM using JavaScript?

element.remove() Signup and view all the answers

How do you correctly select all p elements that are descendants of a div element?

div p Signup and view all the answers

Which selector is used to target all paragraphs inside an element with the class 'main'?

.main p { } Signup and view all the answers

What is the correct way to select an element with the id 'demo' in CSS?

#demo Signup and view all the answers

What method can be employed to select elements based on their position in the document using JavaScript?

document.querySelectorAll() Signup and view all the answers

Study Notes

Question 1

Properties used for laying out elements in CSS

position

Question 2

<iframe> tag

Used to display one web page inside another web page.

True

Question 3

Block elements

Normally displayed without starting a new line.

False

Question 4

HTML element for emphasized text



Question 5

Java program output

Compile time error

Question 6

Java program output

NaN

Question 7

Unchecked exceptions in Java

RuntimeException, ClassCastException, NullPointerException

Question 8

Java statements

JRE is required to run java programs.

JDK is required to compile java programs.

JVM is responsible for converting Byte code to the machine-specific code.

JRE does not contain JVM.

Question 9

Java output

false

Question 10

Java output

Compile-time error

Question 11

Interfaces implemented by String class

Cloneable, Comparable, Serializable

Question 12

String concatenation output

Java12Quiz7

Question 13

Java output

Compile Time Error

Question 14

Java String properties

String class is defined in java.lang package.

String is immutable in Java.

String is case sensitive in Java.

String is thread-safe in Java.

You cannot extend the String class

Question 15

CSS selector for elements with class "example"

.example {}

Question 16

CSS selector for elements with class names "one" and "two"

.one.two {}

Question 17

CSS to add background color to all
elements

h1 {background-color:#FFFFFF;}

Question 18

CSS to align grid items horizontally

justify-content

Question 19

CSS to center grid items horizontally and vertically

place-content: center center;

Question 20

CSS to create a border with specified border widths

border-width: 10px 1px 5px 20px;

Question 21

CSS for underline on hyperlinks

a {text-decoration:none;}

Question 22

CSS for grouping selectors

Separate selectors by comma

Question 23

CSS to hide an element on smaller screens

display: none;

Question 24

CSS to make a grid item span multiple columns

grid-column: span 2;

Question 25

CSS for creating list with squares

list-style-type: square;

Question 26

CSS to select the elements with title attribute

[title] {}

Question 27

JavaScript to select the first matching element with tag name

document.querySelector('tag')

Question 28

JavaScript to select all  elements in a webpage:

p {}

Question 29

CSS to create gaps between grid items

gap: 10px;

Question 30

CSS abbreviation

Cascading Style Sheets

Question 31

HSL color model

Hue Saturation Lightness

Question 32

MySQL command to create primary key

ADD PRIMARY KEY (column_name)

Question 33

MySQL command to change user password

ALTER USER user@host PASSWORD = 'new_password'

Question 34

MySQL command to delete all records from a table

DELETE FROM table_name

Question 35

MySQL command to create a copy of an existing table

CREATE TABLE new_table_name LIKE old_table_name

Question 36

MySQL command to change column value

UPDATE

Question 37

MySQL LEFT JOIN command

Returns all rows from the left table and matched rows from the right.

Question 38

MySQL COMMIT command purpose

Commits the transaction to the database

Question 39

MySQL LIKE command purpose

Compares a value to similar values using wildcard operators

Question 40

MySQL command to delete a database

DROP DATABASE database_name

Question 41

MySQL ORDER BY command purpose

Sorts the results in ascending order

Question 42

Time complexity of linear search

O(n)

Question 43

Data structure with no specific order

Set

Question 44

Time complexity of Bubble sort

O(n^2)

Question 45

Which is not a linear data structure?

None of above

Question 46

Complexity theory does not include

Null case

Question 47

Data structure that uses LIFO

Stack

Question 48

In-order traversal of binary search tree

Question 49

Data structure for storing elements in non-contiguous memory

Linked list

Question 50

Data structure for efficient search, insert, and delete in sorted order

Binary search tree

Question 51

Algorithm for finding shortest path in weighted graph

Dijkstra's algorithm

Question 52

JavaScript property for elements that stay in the same place when the page is scrolled

fixed

Question 53

HTML tag for headings

Heading

Question 54

JavaScript to create a global variable in a function

Use the window keyword

Question 55

JavaScript to open a link in a new tab

<a href="url" target="_blank"></a>

Question 56

How to optimize images for better web performance

Compressing images and using appropriate file formats

Question 57

How to prevent creating global variables in Javascript

Use the let or const keyword

Question 58

How to access value of a global variable

variableName

Question 59

How to attach an event listener to an HTML element?

element.addEventListener()

Question 60

How to call a function named "myFunction":

myFunction()

Question 61

How to check which mouse button was clicked in a mouse event?

event.button

Question 62

How to create a fixed size container

Width: 300px; Height:200px;

Question 63

JavaScript to create new HTML elements

createElement()

Question 64

How do you create a responsive grid layout using CSS Grid?

Use percentage values for grid columns and use media queries to adjust grid properties based on screen size

Question 65

Syntax for declaring a function

function myFunction() {}

Question 66

Syntax to declare a JavaScript variable

var carName;

Question 67

Arrow function syntax

const myFunction=()=>{}

Question 68

CSS Grid Container

display: grid;

Question 69

How to handle errors in a Promise

Using a .catch() block

Question 70

Comment syntax in CSS

/* this is a comment */

Question 71

Capitalizing each word in a text:

text-transform: capitalize

Question 72

CSS syntax for making text bold

font-weight:bold;

Question 73

JavaScript to remove HTML elements

element.remove()

Question 74

JavaScript select all p elements inside div element

div p {}

Question 75

Selector for selecting all p elements inside main class element

.main p { } or -p.main {}

Question 76

Selector for element with id "demo"

#demo

Question 77

JavaScript to find elements by their position in the document

document.querySelectorAll(':nth-child(n)')

Question 78

JavaScript to select elements with class "test"

.test {}

Question 79

JavaScript to select multiple elements with class name

getElementsByClassName()

Question 80

JavaScript to select last matching element using CSS selector

document.querySelectorAll("selector")[document.querySelectorAll("selector").length-1]

Question 81

JavaScript for loop start

for (let i = 0; i <= 5; i++)

Question 82

JavaScript while loop

while (i <= 10)

Question 83

Difference between server-side and client-side programming

Client-side executes in the user's browser; Server-side handles tasks on the server.

Question 84

Promise.reject() method

Creates a rejected promise with a specified reason

Question 85

Number of HTML5 attributes

None

Question 86

Comment multi-line in JavaScript

/* comment */

Question 87

Making if statement where the variable is not equal to 5

if (i != 5)

Question 88

If statement in Javascript

if (i == 5)

Question 89

CSS selector for direct children of <ul>

ul > li {}

Question 90

JavaScript selector for all elements with a title attribute

[title] {}

Question 91

JavaScript selector for first element with tag name

document.querySelector('tag')

Question 92

HTML tag for largest heading

<h1>

Question 93

HTML tag for emphasizing important text



Question 94

HTML tag for unordered list

<ul>

Question 95

HTML tag for creating numbered list

<ol>

Question 96

HTML for responsive viewport

<meta name="viewport" content="width=device-width, initial-scale=1">

Question 97

Number of heading tags in HTML5

6

Question 98

HTML element for storing metadata

<head>

Question 99

Default position of an HTML element

static

Question 100

Abbreviation for HTML

Hyper Text Markup Language

Question 101

Correct HTML tag for creating hyperlink

<a href="url">text</a>

Question 102

HTML element for making a text area

<textarea>

Question 103

When is callback function typically executed in async operation?

After the current task is completed and event loop is free.

Question 104

HTML element to define aside content

<aside>

Question 105

Web development language for dynamic content

JavaScript

Question 106

Inline elements in JavaScript

True

Question 107

HTML element to put JavaScript code

<script>

Question 108

JavaScript comment

//This is a comment

Question 109

Calling functions in Javascript

functionName()

Question 110

Concatenate two strings in Javascript

str1 + str2

Question 111

Declaring a JavaScript Function

function myFunction() {}

Question 112

Declaring a function expression in JavaScript

var myFunction = function() {};

Question 113

Writing "Hello, World!" to alert box

alert("Hello, world!");

Question 114

DOM abbreviation

Document Object Model

Question 115

JavaScript function definition

a reusable block of code

Question 116

Purpose of document object in Javascript

Manipulate the structure of HTML

Question 117

Java program output

400.0: 100.0

Question 118

Java access modifier concept

Question 119

Concept that uses access modifiers to protect variables in a class

Question 120

Output of the JavaScript code (matches 1)

Match 1

Question 121

JavaScript code output

54321

Question 122

Inserting code in a Java program

Question 123

Java code to print 54321

x--;inserted at line 7

Question 124

Java Code Output

5 4 3 2 1 0

Question 125

Method to find 'a' position in "banana":

s.indexOf('a');

Question 126

Java code output

100

Question 127

Java version for Spring Boot 3

Java 17

Question 128

Difference between PUT and PATCH in REST API

PUT fully updates an existing resource; PATCH modifies specified fields.

Question 129

@Autowired annotation in Spring Boot

Automatically wires beans into properties, constructors, and methods

Question 130

@EnableAutoConfiguration annotation purpose

Question 131

Default scope of Spring Bean

Singleton

Question 132

Purpose of Spring JDBC module:

Data access framework for databases

Question 133

Ways to inject Spring Beans

Field-based, Setter-based, Constructor-based

Question 134

Defining a derived query in Spring Data JPA

Method in the repository with a defined naming convention

Question 135

Which is not a valid cascade type in JPA:

MERGE

Question 136

@RestController Annotation Combination

@Controller and @ResponseBody annotations

Question 137

Stack order of element

z-index

Question 138

HTML purpose

HTML describes the structure of a webpage

Question 139

Regex * character

Matches zero or more occurrences of the preceding character

Question 140

CSS fr unit

Fractional

Question 141

CSS max-width property

Limits the width of an element to a specific value

Question 142

CSS :hover pseudo-class

Styles an element on hovering over it

Question 143

Callback hell in async javascript

Nested callbacks

Question 144

CSS universal selector

*

Question 145

CSS viewport width unit

vw

Question 146

Regex \s character class

Matches any whitespace character

Question 147

Regex ^ character

Matches the beginning of a line

Question 148

Regex | character

Logical OR

Question 149

JavaScript selectors purpose

Select and manipulate HTML elements in the DOM

Question 150

CSS media queries purpose

Styles based on device characteristics

Question 151

What is a Promise in Javascript?

Representation of a value that may be available now, later, or never.

Question 152

SQL Injection

Malicious SQL queries injected in input fields

Question 153

What is a web browser cache?

Stores previously downloaded resources, decreasing need to re-download.

Question 154

Browser Rendering Optimization

Minimizing DOM manipulations and efficient CSS.

Question 155

CSS Grid Purpose

Web page content organization and structure

Question 156

What is JavaScript primarily used for

Question 157

What is Responsive Web Design?

Adapts to various screen sizes

Question 158

CSS for Bold  elements

p {font-weight: bold;}

Question 159

HTML line break element

 

Question 160

HTML audio element

<audio>

Question 161

HTML Video Element

<video>

Question 162

HTML background color

<body style="background-color: yellow;">

Question 163

HTML background image

<body style="background-image:url(background.gif)">

Question 164

HTML image tag

<img src="image.gif" alt="MyImage">

Question 165

HTML checkbox

<input type="checkbox">

Question 166

HTML dropdown list

<select>

Question 167

HTML text input field

<input type="text">

Question 168

HTML external style sheet

<link rel="stylesheet" type="text/css" href="mystyle.css">

Question 169

Javascript change content of HTML element

document.getElementById("demo").innerHTML = "Hello World!"

Question 170

Javascript external script reference

<script src="xxx.js">

Question 171

Javascript array

const colors = ["red", "green", "blue"];

Question 172

Critical rendering path - purpose

Browser steps for loading and rendering a web page

Question 173

Javascript let/const difference

let variables can be reassigned, const cannot.

Question 174

Font size of the <h1> tag

Question 175

Global object in Javascript

window

Question 176

Synchronous vs Asynchronous javascript

Synchronous code executes sequentially, Asynchronous allows tasks to overlap

Question 177

Purpose of databases in web development

Question 178

Primary purpose of HTML

Question 179

Purpose of server-side scripting languages

Question 180

Purpose of CSS selectors

Question 181

Purpose of lazy loading in web development

Delays loading of images until needed

Question 182

Purpose of parameters in a function

Accept input values

Question 183

Purpose of <meta charset="UTF-8"> tag

Sets character encoding

Question 184

Purpose of the @media rule in CSS

Applies styles based on conditions (e.g., screen size).

Question 185

Purpose of the addEventListener method

Attaches an event handler to an element

Question 186

Purpose of the DNS (Domain Name System)

Question 187

Flex-direction property purpose

Defines the main axis direction in a flex container

Question 188

Flexbox layout in responsive design

Aligns elements horizontally and vertically

Question 189

Purpose of grid-area property

Defines the columns and rows a grid item spans in CSS Grid

Question 190

Purpose of grid-auto-flow property

Defines the flow of items in grid containers

Question 191

Purpose of grid-column-gap property

Defines the space/gap between grid columns

Question 192

Purpose of grid-template-rows property

Specifying the layout for grid rows

Question 193

Purpose of the <head> element

Holds metadata about the document

Question 194

Purpose of the <figure> element

Embedding images like images, videos

Question 195

Purpose of the <form> element

Creates a container for form elements

Question 196

Purpose of the <form> element

Creates a container for input elements

Question 197

ID selector purpose

Targets specific elements with a unique ID

Question 198

JavaScript JSON.parse() function purpose

Parses JSON strings into JavaScript objects

Question 199

CSS minmax() function

Sets minimum and maximum values for grid items

Question 200

querySelectorAll() method

Selects all elements matching a CSS selector

Question 201

CSS rem unit in responsive design

Relative to the root element's font size

Question 202

JavaScript setAttribute() purpose

Adds attributes to HTML elements

Question 203

JavaScript setTimeout() function purpose

Delays the execution of a function for a set amount of time

Question 204

JavaScript window.alert() method purpose

Displays an alert box with a message

Question 205

Purpose of window.location in Javascript

Navigating to new webpages

Question 206

JavaScript window.setTimeout() method

Delays a function's execution by a specified time

Question 207

Return type of a Javascript function without explicit return

undefined

Question 208

Role of a web server

Serving web pages to clients

Question 209

Purpose of DOCTYPE in HTML

Defines the document type

Question 210

HTML META tag with attribute charset="UTF-8" purpose

Defines the character set

Question 211

Scope of a variable declared within a function in JavaScript

Function scope

Question 212

JavaScript keyword to declare a variable

var

Question 213

Language to define web page behavior

JavaScript

Question 214

CSS position with relative value

Adjusted away from normal position, other objects are not adjusted according to the gap

Question 215

HTML external stylesheet reference location

<head> section

Question 216

Correct location to insert Javascript?

<head> and <body>

Question 217

HTML input element attribute for placeholders

placeholder

Question 218

HTML attribute for unique identifiers

id

Question 219

Character used for closing an HTML tag

/

Question 220

CSS property to handle text size

Question 221

CSS property to make images and videos responsive

max-width

Question 222

CSS property to change text color

color

Question 223

CSS property for element stacking order

z-index

Question 224

CSS property for controlling grid lines visibility

grid: (e.g., 1px solid black;)

Question 225

CSS property for creating flexible layouts

Question 226

CSS property to set the number of columns

Question 227

Correct DOCTYPE declaration for HTML5

<!DOCTYPE html>

Question 228

HTML element to group related content

<section>

Question 229

Javascript mouseover event trigger

Mouseover

Question 230

Javascript element triggering click event

Question 231

Javascript keyboard event for key press

keyDown

Question 232

Javascript function for selecting element by ID

getElementById()

Question 233

HTML attribute for inline styling

style

Question 234

Html attribute for alternative image text

alt

Question 235

HTML tag for navigation links

<nav>

Question 236

HTML element for defining document title

<title>

Question 237

HTML element for document footer

Question 238

HTML element to create a header for a document or section

<header>

Question 239

HTML element to create a hyperlink

<a>

Question 240

HTML tag for internal style sheet

Question 241

HTTP method for requesting data from a server

Question 242

Input type for a slider control

Question 243

Example of a popular SQL database

MySQL

Question 244

Correct CSS syntax

body {color: black;}

Question 245

Method to read and render HTML pages

Question 246

Browser Console logging function

Question 247

Language used for styling

Question 248

Javascript method for catching errors in a promise

Question 249

Method to change content of an HTML element

Question 250

Javascript method for opening a new window

Question 251

Javascript method for selecting elements by index

Question 252

Method for selecting elements with CSS selector

Question 253

JavaScript object for browser window actions

window

Question 254

Attributes to create a link in HTML elements

Question 255

Regex for end of line

$

Question 256

Popular server side programming language

Question 257

Potential drawback of asynchronous code in Javascript

Question 258

Valid way to represent a color using hexadecimal in HTML

Question 259

Invalid JavaScript variable name

Question 260

HTML <table> elements

Question 261

Organization for World Wide Web standards

Question 262

PHP function for regex match and replace

Question 263

PHP function for Regex match with subpatterns and return matches

Question 264

Programming language for server-side scripting

Question 265

Programming language for styling webpages

CSS

Question 266

Property to align flex items

justify-content

Question 267

Property to change background color

background-color

Question 268

Property to change font of an element

font-family

Question 269

Property to change left margin

Question 270

Property to control order of grid items

Question 271

Property for obtaining the current URL in Javascript

window.location.href

Question 272

Property to get input field value

value

Question 273

Protocol for data transfer over World Wide Web

HTTP

Question 274

Selector for all elements of a specific type

Question 275

CSS selector specific attribute with a value

element[attribute=value]

Question 276

HTML tag for table header - <th>

Question 277

HTML tag for external JavaScript

<script>

Question 278

Database technology for non-relational/flexible unstructured data

NoSQL

Question 279

Unit for responsive font sizes

em

Question 280

CSS property to make columns equal width

1fr

Question 281

Element similar to 



Question 282

Element similar to 



Question 283

Organization creating web standards

W3C

Question 284

Why is HTTPS important?

Secure and encrypted connection between client and server

Question 285

Importance of website accessibility

Better user experience for people with disabilities

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Related Documents

WEB programmming Past Paper PDF

Description

Test your knowledge of CSS properties and HTML elements with this quiz. Covering topics from positioning elements in CSS to the behavior of block and inline elements, it includes questions on method invocation in programming. Perfect for web development beginners and enthusiasts.

CSS and HTML Fundamentals Quiz

Choose a study mode

Podcast

Questions and Answers

What is a property used for positioning elements in CSS?

Which value of the position property allows an element to be positioned related to its normal position?

Which CSS property is used to create space between the border and the content within an element?

Which of the following CSS values allows an element to remain in its normal flow but be removed from the layout?

Which statement about block elements is accurate?

What is the correct HTML element for emphasizing text?

How do block elements behave in relation to the surrounding elements?

Which of the following statements about inline elements is true?

Which HTML tag is often confused with the tag but serves a different purpose?

What will be the output of the program when s.foo() is called?

What type of error will occur if the superclass and subclass methods have the same name without overriding?

What is the significance of the method foo() in subclass?

Which of the following statements is true regarding method invocation with Super and Subclass?

What is the relationship between Super and Subclass in OOP terms?

What will happen if the foo method in Subclass is defined as 'void foo()' instead?

In this program structure, how many methods named foo exist?

What type of inheritance is being demonstrated in this program?

What will be the output of the program in SqrtExample if a negative value is passed to Math.sqrt?

In Java, which of the following describes unchecked exceptions?

When calling Math.sqrt with a negative number, which alternate result could a user mistakenly expect?

What is the result of compiling a Java program with a syntax error?

Which of the following is a feature of exceptions in Java?

What is a potential side effect of using a negative number as input for Math.sqrt?

Which of the following is not true regarding exceptions in Java?

How do you access the value of a global variable declared with let or const?

Which method is used to attach an event listener to an HTML element in JavaScript?

What is the correct way to call a function named 'myFunction'?

In a mouse event, how can you check which mouse button was clicked?

What CSS properties would you use to create a fixed-size grid container?

How do you create a new HTML element using JavaScript?

What command is used to create a responsive grid layout using CSS Grid?

Which of the following is NOT a valid way to define a JavaScript function?

How do you insert a comment in a CSS file?

What is the correct CSS property to make each word in a text start with a capital letter?

Which property is used to make the text bold in CSS?

Which method is used to remove an HTML element from the DOM using JavaScript?

How do you correctly select all p elements that are descendants of a div element?

Which selector is used to target all paragraphs inside an element with the class 'main'?

What is the correct way to select an element with the id 'demo' in CSS?

What method can be employed to select elements based on their position in the document using JavaScript?

Study Notes

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

elements h1 {background-color:#FFFFFF;}

Question 18

Question 19

Question 20

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30

Question 31

Question 32

Question 33

Question 34

elements

`h1 {background-color:#FFFFFF;}`