height_width.css

div {display : inline}
div div {width : 120px}
.start {background-color : gray; height : 500px}
.whole {background-color : red; height : 100%}
.half {background-color : rgb(250, 125, 0); height : 50%}
.quarter {background-color : yellow; height : 25%}
.eighth {background-color : green; height : 12.5%}
.sixteenth {background-color : blue; height : 6.25%}
.thirtysecond {background-color : purple; height : 3.125%}