Style attribute changes the look and feel of any html tag or element. it uses css properties as value to change html style.
Example
<!DOCTYPE html>
<html>
<body>
<div style="width:100px;">
This is example of html style attribute
</div>
</body>
</html>
Multiple CSS properties in style attribute
Multiple css values can be used with comma separated values.
<!DOCTYPE html>
<html>
<body>
<div style="width:200px;height:100px;background:red;">
This is example of html Multiple css properties
</div>
</body>
</html>