The strong element marks a word, phrase, or sentence as important so it stands out from regular page text. Browsers display its content in bold. section 12.2.6
Mark an urgent instruction
<p>As you enter the room, notice the big, red button to your right. <strong>Never press that button!</strong></p> section 12.2.6
Choose the element according to the role the text plays:
- Use <strong> for important text, such as a vital instruction or crucial condition. section 12.2.6
- Use <b> for keywords or distinctive names, such as File or Save, rather than for importance. section 12.2.6
- Use <em> when the text needs emphasis and <i> for alternative text. section 12.6
<p>
As you enter the room, notice the big, red button to your right.
<strong>Never press that button!</strong>
</p>
View the complete paragraph example with the urgent instruction marked up. section 12.2.6

