<!DOCTYPE html><html><head> <meta charset="UTF-8"> <title></title> <style type="text/css"> body{margin: 0;padding: 0} .main{ background-color: #464646; width: 800px; height: 300px; margin: 0 auto; } .top{ height: 100px; background-color: #3080CB; } .footer{ width: 800px; height: 200px; margin: 0 auto; background-color: #006486; } </style></head><body> <div class='top'></div> <div class="main"></div> <div class="footer"></div></body></html>
