body  { 
color:#0000FF; background-color; #FFFF00; 
}

h1 {
background: #FF0000;
color: #FFFF00;
line-height: 200%;
}


<style type="text/css">
body { background-color: #FF0000;
        color: ##0000FF;
}

<h3> { background-color: ##FF0000;
     color: ##0000FF;
}

<h2> { background-color: #FF0000;
     color: ##0000FF;
}
</style>