Basics of Web Design: HTML5 & CSS3 (3rd Edition)
3rd Edition
ISBN: 9780133970746
Author: Terry Felke-Morris, Terry Morris
Publisher: PEARSON
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Chapter 5, Problem 1FWD
Explanation of Solution
Web Content Accessibility Guidelines (WCAG):
The guidelines for web accessing have been developed through the W3C process. The purpose of these guidelines is to provide the accessibility of web contents like text, images, structure, presentation, and so on.
Usage of color and images that was mentioned in “WCAG 2.0”:
Color element is used for conveying the information interactively. All web elements use color for their text, background, or other styling purpose. Some of them are mentioned below:
- Ensuring the color in data, backgrounds, or other contents is to indicate the information.
- Ensuring the color within an image to convey the information.
- Images are used to provide picture in the web page. The user can modify the properties like border, size, and alternative text for an image.
Web page:
The following code is used to demonstrate “WCAG” with color and image element:
Code:
<!--HTML Tag-->
<html>
<!--Head Tag-->
<head>
<!--Title Tag-->
<title>WCAG 2.0</title>
<!--Style Tag-->
<style>
/*Style for body tag*/
body
{
/*Set the background color*/
background-color:powderblue;
/*Set the text color*/
color:black;
/*Set the font*/
font-family:Arial,Verdana,sans-serif;
}
/*Style for "h2" element*/
h2
{
/*Set the background color*/
background-color:black;
/*Set the text color*/
color:white;
/*Set the height in pixels*/
height:50px;
/*Set the width in pixels*/
width:500px;
}
/*Style for "h1" element*/
h1
{
/*Set the height in pixels*/
height:100px;
/*Set the width in pixels*/
width:500px;
}
/*Style for "image" element*/
img
{
/*Set the float value*/
float:right;
/*Set the margin*/
margin-right:100px;
/*Set the width in pixels*/
width:300px;
/*Set the height in pixels*/
height:300px;
}
/*Close the style*/
</style>
<!--Close tag-->
</head>
<!--Body Tag-->
<body>
<!--Heading Tag-->
<h1>Web Content Accessibility Guidelines</h1>
<!--Image tag with its source-->
<img src="w3g...
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# Find the error# Why will the following code not print out a list of contact namesphoneBook = {'Doe, Jane' : '843-000-0000' ,'Doe, John' : '843-111-1111' ,'Smith, Adam' : '843-222-2222' ,'Jobs, Steve' : '999-333-3333' ,}for contact in phoneBook.values():print(contact)
# Find the error:# The following code creates an empty dictionary and attempts to add a record# Why will the following code not create a new dictionary entry as intended?phoneBook = {}phoneBook{'Jobs, Steve'} = '999-111-1111'
Chapter 5 Solutions
Basics of Web Design: HTML5 & CSS3 (3rd Edition)
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