Influencing policy (training slides from Fast Track Impact)
The three types of style sheet lesson two fourth quarter fourth year
1. The Three Types of Style
Sheet
Inline, Internal (Embedded), and External Style Sheet
2. Inline Style Sheet
▪ This is placed inside the tag itself
▪ They are declared with the ”style =“ attribute.
▪ Example:
<p style = “color:red”> This text will be color red. </p>
3. Internal Style Sheet
▪ Is used if you want your HTML to have a unique style
▪ Is define using the <style> tag and goes in the head
section of the HTML document
▪ The <style> tag specifies the content type of a style
sheet with its type attribute which should be set to
“text/css”
<style type=“text/css”>
Styles go here
</style>
4. Internal Style Sheet
▪ Example:
<html>
<head>
<style type=“text/css”>
p {color:maroon}
</style>
</head>
<body>
<p>this text is color maroon</p>
<p>and this one too</p>
</body>
</html>
5. Internal Style Sheet
▪ This style sheets specifies that the text in all
instances of the <p> tag in the <body> section will be
colored maroon.
6. External Style Sheet
▪ Used to apply one or more styles to many pages.
▪ If you make any changes with the external style
sheet, the change is applied to all the pages where
the style sheet is used
▪ Declared in a separate file with a .css extension
▪ Called by pages whose interface it will affect
▪ They are called with the used of <link> tag that is
place in the head section of an HTML document
7. External Style Sheet
▪ The <link> tag should be written like this:
– <link rel=“stylesheet” type=text/css” href=“test.css” />
▪ Wherein the tag above has three attributes
respectively as follows:
▪ rel- when using an external style sheet on a
webpage, this attribute takes the value “stylesheet.”
▪ Type - when using an external style sheet on a web
page, this attribute takes the value “text/css”
▪ href – indicates the name and location of the external
style sheet to be used.
9. Multiple Style Sheet
▪ You can use multiple style sheets in one
page
▪ You can apply an inline style sheet and
an internal style sheet at the same time
or an external and internal style sheet
simultaneously
▪ But consider what should have the
highest priority from the two
10. Style sheet by priority
▪ Inline Style Sheet
– It has the highest priority
– It will override styles declared in an internal
style sheet, an external style sheet, and a web
browser’s default style
▪ Internal Style Sheet
– An Internal style sheet has the second has the
second highest priority
– It will override styles declared in an external
style sheet and a web browsers default style
11. Style sheet by priority
▪ External Style Sheet
– Has the third highest priority
– It will override web browsers default
style
▪ Browsers Default Style
– Has the lowest priority
– It is used when there is no style set for an
element in an inline, internal, or external
style sheet
12. Creating id’s and classes
▪ The Class Selector
– It is used to specify a style for a group of elements
– Allows you to set a particular style for many HTML elements
with the same class
13. Creating id’s and classes
<html>
<head>
<style>
The class selector is
defined starting with
“.” followed by its
name
.center{text-align:center;}
</style>
</head>
<body>
<h1 class = “center”> This heading is aligned center.</h1>
</body>
</html>
14. Creating id’s and classes
▪ The id Selector
– Specify style for a single and unique element
– Its defined with # sign before its name
– Can be written in an external and internal style sheet
15. Creating id’s and classes
<html>
<head>
<style>
#center{text-align:center;}
</style>
</head>
<body>
<h1 id = “center”> This heading is aligned center.</h1>
</body>
</html>