In your HTML
<div class="myClass">Look at me!</div>
In your CSS
.myClass
{
background-color:#eee;
}
EDIT
As Dave noted, you can assign multiple classes to an element. This means that you can modularly style styles as needed. Helps with the DRY principle .
For example, in your HTML
<div class="myClass myColor">Look at me too!</div>
In your CSS
.myClass
{
background-color:#eee;
color:#1dd;
}
.myColor
{
color:#111;
}
, class , . , class="myClass myColor" class="myColor myClass". , CSS.
, , color myColor color myClass, CSS, .
.myColor
{
color:#111;
}
.myClass
{
background-color:#eee;
color:#1dd;
}