Chronometer CSS3

by Lazaro Contreras

HTML

<div id="co"></div>
<div id="cob"></div>
<div id="cb"></div>
<div id="cbb"></div>
<center><div id="time"></div></center>

CSS

@-webkit-keyframes spin-right {
  100% {
    -webkit-transform: rotate(360deg);
       -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
         -o-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}

@keyframes spin-right {
  100% {
    -webkit-transform: rotate(360deg);
       -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
         -o-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
html{
  background:black;
}
div#time{
  position: absolute;
  top: 43%;
  left: 39%;
  color: white;
  font-family:Helvetica,Arial,sans-serif;
  font-size:50px;
}
div#co{
  position: absolute;
  top: 50%;
  left: 50%;
  height: 200px;
  width: 200px;
  margin-top: -100px; 
  margin-left: -100px;
  border-color: white;
  border-width: 1px;
  border-style: solid;
  border-radius: 50%;
  border-bottom:none;
  border-left:none;
  border-right:none;
  -webkit-animation: spin-right 1s linear infinite;
  -moz-animation: spin-right 1s linear infinite;
  -ms-animation: spin-right 1s linear infinite;
  -o-animation: spin-right 1s linear infinite;
  animation: spin-right 1s linear infinite;
}
div#cb{
  position: absolute;
  top: 50%;
  left: 50%;
  height: 200px;
  width: 200px;
  margin-top: -100px; 
  margin-left: -100px;
  border-color: white;
  border-width: 1px;
  border-style: solid;
  border-radius: 50%;
  border-bottom:none;
  border-left:none;
  border-right:none;
  -webkit-animation: spin-right 60s linear infinite;
  -moz-animation: spin-right 60s linear infinite;
  -ms-animation: spin-right 60s linear infinite;
  -o-animation: spin-right 60s linear infinite;
  animation: spin-right 60s linear infinite;
}
div#cob{
  position: absolute;
  top: 50%;
  left: 50%;
  height: 200px;
  width: 200px;
  margin-top: -100px; 
  margin-left: -100px;
  border-color: orange;
  border-width: 3px;
  border-style: solid;
  border-radius: 50%;
  border-bottom:none;
  border-left:none;
  border-right:none;
 ...

JavaScript

function Clock(e){
	var b = 2;
  var b1 = [];
  for(i = 0; i < b1.length;i++){
  	b1.push(parseInt((e%3600)/Math.pow(b,i)%b));
  }
  return b1;
}
bucle=setInterval(loop,1000);
var i = 0;
function loop(){
i+= 1;
document.getElementById("time").innerHTML = Clock(i);
}