HTML5 - Basic Exercises, Practice, Solution

Last update on May 28 2022 07:42:30 (UTC/GMT +8 hours)

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27. How to define a dialog box or window with an HTML tag?

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Dialog</title>
</head>
<body>

</body>
</html>

Try it in the following editor or see the solution.

a. How to specify that the dialog element is active and that the user can interact with it?

See the Pen html css common editor by w3resource (@w3resource) on CodePen.

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HTML-CSS: Tips of the Day

What is the difference between id and class in CSS, and when should I use them?

Example:

<div id="header_id" class="header_class">
Text
</div>

#header_id {font-color:#fff}
.header_class {font-color:#000}

(Note that CSS uses the prefix # for IDs and . for Classes.)

However color was an HTML 4.01 <font> tag attribute deprecated in HTML 5. In CSS there is no "font-color", the style is color so the above should read:

Example:

<div id="header_id" class="header_class">
Text
</div>

#header_id {color:#fff}
.header_class {color:#000}

The text would be white.

Ref: https://bit.ly/39Stv4P