<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style> * { box-sizing: border-box; } .row::after { content: ""; clear: both; display: table; } [class*="col-"] { float: left; padding: 15px; } html { font-family: "Lucida Sans", sans-serif; } .header { background-color: teal; color: #ffffff; padding: 15px; } .menu ul { list-style-type: none; margin: 0; padding: 0; } .menu li { padding: 8px; margin-bottom: 7px; background-color: teal; color: #ffffff; box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24); } .menu li:hover { background-color: #005266; color:yellow; } .aside { background-color: teal; padding: 15px; color: #ffffff; text-align: center; font-size: 14px; box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2...