.mary {background-color:green; padding:50px; position:fixed; top:100px;}
#mary {float:right;}
#stewrt {float:right;}
.dale {background-color:blue; position:fixed;top:400px;}
.stewrt { background-color:yellow; position:fixed; top:400px;right:150px;}
.betty {background-color:red; position:fixed; top:600px;}