test your typing speed here is the source code..... <!DOCTYPE html> <html> <head>  <title> test your typing speed </title> <style> *{ margin:0px; padding:0px; box-sizing: border-box; } body{ background-color:#d0bdf4; } #container{ position:fixed; bottom:5%; /*width:80%;*/ margin-left:10%; background: #ace600; } #display{ position:absolute; top:10%; background-color:red; font-size:50px; left:20%; width:60%; box-sizing:border-box; height:100px; padding:20px; text-align:center; display:none; } .key{ background-color:#737373; color:white; font-size:60px; padding:5px 15px; margin:5px; border-radius:20px; } .upper{ margin-top:10px; } .middle{ margin: 20px 40px; } .lower{ margin: 20px 80px; } .text{ display: inline; font-size:35px; } .header{ width:100%; height:40px; background-color:#ace600; } #time{ float:right; font-size: 30px; margin-right:50px; } </style> <...