Selectors and Declarations can be grouped
h1 , h2 , h3 { color: red ; text-align: center }
h1 { colour: red ; text-align: center ; font-size:12 pt;
border:solid red 3}
h1 {font-size:16pt}
p {color:green}
/* This is a CSS comment */
h2 {text-align:center; font-size:18pt}
/* It can span
several lines
but they cannot be nested */
h3 {color:red;} /* Note they can be on the same line as a rule */
h4 {color:blue}