body				{ margin: 0; }

div				{ float: left; box-sizing: border-box; padding: 20px; text-align: center; color: #ffffff; }

div:nth-of-type(1)		{ width: 100%; background-color: #ff8855; }
div:nth-of-type(2)		{ width: 50%; background-color: #008855; }
div:nth-of-type(3)		{ width: 50%; background-color: #003388; }
div:nth-of-type(4)		{ width: 30%; background-color: #000055; }
div:nth-of-type(5)		{ width: 70%; background-color: #ff00ff; }