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Sometimes you'll want to give a piece of text emphasis or importance. HTML provides semantic elements, like <strong>, <em> and <small>, for formatting text. Other elements like <span> are used to mark up text just for styling purposes.
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Sometimes you'll want text to
stand out from surrounding text in
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a paragraph or heading.
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For example, give a piece of
text emphasis or importance.
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HTML comes with semantic elements like
strong, and small for formatting text,
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and other elements like span that can be
used to mark up pieces of text just for
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styling purposes.
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So first, the strong tag, indicates
strong importance, seriousness, or urgency
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for its content, and the text is typically
displayed in bold by the browser.
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You can use strong tags in a heading,
caption, paragraph, and
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more to distinguish the important
pieces of text from other parts.
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So for instance, when I place the words
virtual reality inside strong tags,
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The browser displays the contents
of the strong element in bold.
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However, you can use cascading style
sheets, or CSS, to make strong tags appear
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in many different ways,
including different sizes or colors.
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I'll show you an example of how CSS
can change the look of elements later
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in this course, and we also have lots
of courses on CSS for you to check out.
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So over in the Contact section,
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I'm going to apply strong
tags to the word email.
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Then below, create a new paragraph with
the word Phone inside strong tags.
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And outside the strong tag,
let's add a phone, we'll say 555-123-4567.
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Then above the address,
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I'll include the word address inside
a paragraph within strong tags.
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So now the strong tags are going to
distinguish the text from the rest of
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the text.
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And over in the browser,
you can see that the strong tags make
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the contact information
easily scannable for users.
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So the <em> tag adds emphasis to text, and
by default displays text in italic.
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Emphasis can change
the meaning of the sentence.
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So for example, up in the header,
I'll include <em> tags around the word simple.
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And placing the emphasis
on the adjective, or simple,
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asserts that this is a user-friendly and
easy-to-read blog about VR.
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HTML even offers tags like small,
which you can use to display small text.
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You use the small tag for
marking up disclaimers,
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caveats, legal restrictions or
copyright information.
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So let's go all the way down
to the footer of our page and
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let's place the footer
text inside small tags.
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Keep in mind that you should not use small
just to make text smaller in long spans
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of text, like in multiple paragraphs,
lists, or any selection of text.
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Small is intended for
short runs of text only.
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Finally, you'll often use the span element
to group text for styling purposes.
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You use the span tag to identify
a short collection of text
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that you want to style with a different
color, font, or font-size using CSS.
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So notice that if I wrap the beginning
of the About text inside span tags,
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The browser does not change
the appearance of the text,
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as it does with the text
elements we looked at earlier.
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You see, the span element is
similar to the div element,
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in that it has no semantic
meaning on its own.
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So when there's no other suitable
element to differentiate a piece of text
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from surrounding text, use span.
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Then use CSS to change the appearance.
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So what's the difference between span and
div?
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Well, a div is known as
a block-level element.
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That is,
it's an entire block of content, and
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it usually has a break between
the content, above, or below it.
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Now, paragraphs and headlines are other
examples of block level elements.
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Now, the span element is what's
called an inline element.
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So it sits within a line of text.
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For example,
you can add a span inside a paragraph
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to identify just some of the text.
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And the other tags you learned
in this video, like strong, em and
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small, are also inline elements.
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Since you use them to mark
up just a few words or
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short phrases within a block of text.
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You'll find links to more text level
elements in the teacher's notes
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of this video.
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