A CodePen by Tyrus. Progress Bars - Simple progress bar styles. *Chris Coyier's scalable background image technique: http://css-tricks.com/perfect-full-page-background-image/

index.html

<div id="bg">
	<img src="http://img.skitch.com/20120814-m3ei5cptau2yjn7sgi2a4i62kn.png" alt="">
</div>


<div class="wrapper">
  <div class="progress"></div>
</div>

<div class="wrapper">
  <div class="progress_2"></div>
</div>

<div class="wrapper_2">
  <div class="progress"></div>
</div>

<div class="wrapper_2">
  <div class="progress_2"></div>
</div>

style.css

body {
  height: 100%;
  background: #bdbdc7;
}

#bg {
	position:fixed; 
	top:-50%; 
	left:-50%; 
	width:200%; 
	height:100%;
}
#bg img {
	position:absolute; 
	top:0; 
	left:0; 
	right:0; 
	bottom:0; 
	margin:auto; 
	min-width:50%;
	min-height:50%;
}


.wrapper {
  width: 420px;
  background: #ffffff;
  padding: 0px;
  border-radius: 30px;
  margin: 50px auto;
  border: 1px solid rgba(0,0,0,0.75); 
  box-shadow: 
    inset 0 1px 0 rgba(255,255,255,0.25),
    inset 0 0 5px rgba(0,0,0,0.3),
		0 2px 2px rgba(256,256,256,0.45),
    inset 0 10px 20px rgba(0,0,0,0.15);
  position: relative;
}

.wrapper_2 {
  width: 420px;
  background: #484850;
  padding: 0px;
  border-radius: 30px;
  margin: 50px auto;
  border: 1px solid rgba(0,0,0,0.75); 
  box-shadow: 
    /*inset 0 1px 0 rgba(255,255,255,0.25),*/
    inset 0 0 5px rgba(0,0,0,0.3),
		0 2px 2px rgba(256,256,256,0.45),
    inset 0 5px 10px rgba(0,0,0,0.5);
  position: relative;
}

.progress {
  width: 75%;
  height: 20px;
  border-radius: 50px 5px 5px 50px;
  background-color: hsla(199, 55%, 45%, 1);
  position: relative;
  box-shadow: 
    /* This is the top gradient for the color bar */
    inset 0 10px 0 rgba(255,255,255,0.2),
    inset 0 2px 2px rgba(0,0,0,0.125);
  cursor: pointer;
  margin: 0 0px;
  border-right: 1px solid rgba(0,0,0,0.75);
}

.progress_2 {
  width: 50%;
  height: 20px;
  border-radius: 50px 5px 5px 50px;
  background-color: hsla(131, 55%, 45%, 1);
  position: relative;
  box-shadow: 
    /* This is the top gradient for the color bar */
    inset 0 10px 0 rgba(255,255,255,0.2),
    inset 0 2px 2px rgba(0,0,0,0.125);
  cursor: pointer;
  margin: 0 0px;
  border-right: 1px solid rgba(0,0,0,0.75);
}