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A brief history of layout techniques on the web
Web Design with HTML and CSS Digital Classroom
p, h1, h2, h3,h4 {
margin-bottom:20px;
}
Save the page and preview it in your browser. Most of your elements now have some
added space from these margins. To add a top margin to the heading 2 in your sidebar
you could add another rule as shown in the next step.
12 In your text editor, add the following rule set:
#sidebar h2 {
margin-top:15px;
}
Save the page and preview it in your browser. Your heading 2 in the sidebar has been
pushed down by the top margin.
Your sidebar with a top margin of 15 pixels applied.