CSS Syntax


CSS Syntax

A CSS rule set consists of a selector and a declaration block:

CSS selector

The selector points to the HTML element you want to style.

The declaration block contains one or more declarations separated by semicolons.

Each declaration includes a property name and a value, separated by a colon.


CSS Example

A CSS declaration always ends with a semicolon, and declaration groups are surrounded by curly braces:

p {color:red;text-align:center;}

To make the CSS code more readable, you can put one declaration on each line.

In the following example all <p> elements will be center-aligned, with a red text color:

Example

p {
    color: red;
    text-align: center;
}

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CSS Comments

Comments are used to explain your code, and may help you when you edit the source code at a later date. Comments are ignored by browsers.

A CSS comment starts with /* and ends with */. Comments can also span multiple lines:

Example

p {
    color: red;
    /* This is a single-line comment */
    text-align: center;
}

/* This is
a multi-line
comment */

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