CSS is the language we use to style a Web page.
What is CSS?
- CSS stands for Cascading Style Sheets
- CSS describes how HTML elements are to be displayed on screen, paper, or in other media
- CSS saves a lot of work. It can control the layout of multiple web pages all at once
- External stylesheets are stored in CSS files
Why Use CSS?
CSS is used to define styles for your web pages, including the design, layout and variations in display for different devices and screen sizes.
CSS Example
body
background-color: lightblue;
}
h1 {
color: white;
text-align: center;
}
p {
font-family: verdana;
font-size: 20px;
}
CSS Syntax
A CSS rule consists of a selector and a declaration block.
CSS Comments
CSS Example
/* This is a single-line comment */
p {
color: red;
}
p {
color: red; /* This is a single-line comment*/
}
/* This is
a multi-line
comment */
p {
color: red;
}
@media
@media(min-width)
@media(min-width: 900px) { // minimum width at which style starts, for desktop, style start after 900px
#spRepName {display:none}
}
@media(max-width)
@media(max-width: 900px) { // minimum width at which style ends, used in mobile,style before 900px
#spRepName {display:none }
}
Last Update: July 17, 2026
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