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HTML

              
                <!--

Based on: http://media02.hongkiat.com/photoshop-ui-tutorials/1-useful-user-interface-tutorials-photoshop.jpg

-->

<div class="knob"></div>
<h1>Big Knob</h1>
              
            
!

CSS

              
                @import url(https://fonts.googleapis.com/css?family=Raleway:200);

* { padding: 0; margin: 0; }
html, body { background: #222; }

h1 {
  color: #444;
  font: normal 300%/1em Raleway, sans-serif;
  text-align: center;
  text-transform: uppercase;
  text-shadow: 0 -2px 1px rgba(0,0,0,0.5);
}

.knob {
  width: 320px;
  height: 320px;
  margin: 80px auto 40px;
  position: relative;
  
  border-radius: 50%;
  background: #222;
  
  box-shadow:
    0 -5px 40px rgba(255,255,230,0.05),
    inset 0 0 0 5px rgba(0,0,0,0.8),
    inset 0 2px 5px 5px rgba(255,255,230,0.1),
    inset 0 0 20px 25px rgba(0,0,0,0.35),
    inset 0 0 0 45px rgba(255,255,230,0.15),
    inset 0 0 0 47px rgba(0,0,0,0.8),
    inset 0 1px 1px 49px rgba(255,255,230,0.08),
    inset 0 0 5px 55px rgba(25,25,0,0.3),
    inset 0 20px 5px 60px rgba(255,255,200,0.08),
    
    -172px 84px 3px -155px rgba(255,255,255,1),
    -172px 84px 10px -152px rgba(255,225,100,0.8),
    -172px 84px 1px -153px rgba(255,225,0,1),
    -172px 84px 0 -150px rgba(0,0,0,1),
    
    -186px 42px 3px -155px rgba(255,255,255,1),
    -186px 42px 10px -152px rgba(255,225,100,0.8),
    -186px 42px 1px -153px rgba(255,225,0,1),
    -186px 42px 0 -150px rgba(0,0,0,1),
    
    -190px 0 3px -155px rgba(255,255,255,1),
    -190px 0 10px -152px rgba(255,225,100,0.8),
    -190px 0 1px -153px rgba(255,225,0,1),
    -190px 0 0 -150px rgba(0,0,0,1),
    
    -186px -42px 3px -155px rgba(255,255,255,1),
    -186px -42px 10px -152px rgba(255,225,100,0.8),
    -186px -42px 1px -153px rgba(255,225,0,1),
    -186px -42px 0 -150px rgba(0,0,0,1),
    
    -172px -84px 3px -155px rgba(255,255,255,1),
    -172px -84px 10px -152px rgba(255,225,100,0.8),
    -172px -84px 1px -153px rgba(255,225,0,1),
    -172px -84px 0 -150px rgba(0,0,0,1),
    
    -150px -118px 3px -155px rgba(255,255,255,1),
    -150px -118px 10px -152px rgba(255,225,100,0.8),
    -150px -118px 1px -153px rgba(255,225,0,1),
    -150px -118px 0 -150px rgba(0,0,0,1),
    
    -120px -148px 3px -155px rgba(255,255,255,1),
    -120px -148px 10px -152px rgba(255,225,100,0.8),
    -120px -148px 1px -153px rgba(255,225,0,1),
    -120px -148px 0 -150px rgba(0,0,0,1),
    
    -84px -172px 3px -155px rgba(255,255,255,1),
    -84px -172px 10px -152px rgba(255,225,100,0.8),
    -84px -172px 1px -153px rgba(255,225,0,1),
    -84px -172px 0 -150px rgba(0,0,0,1),
    
    -42px -186px 3px -155px rgba(255,255,255,1),
    -42px -186px 10px -152px rgba(255,225,100,0.8),
    -42px -186px 1px -153px rgba(255,225,0,1),
    -42px -186px 0 -150px rgba(0,0,0,1),
    
    0 -190px 3px -155px rgba(255,255,255,1),
    0 -190px 10px -152px rgba(255,225,100,0.8),
    0 -190px 1px -153px rgba(255,225,0,1),
    0 -190px 0 -150px rgba(0,0,0,1),
    
    42px -186px 0 -150px rgba(0,0,0,1),
    42px -184px 3px -150px rgba(255,255,255,0.15),
    
    84px -172px 0 -150px rgba(0,0,0,1),
    84px -170px 0 -150px rgba(255,255,255,0.15),
    
    120px -148px 0 -150px rgba(0,0,0,1),
    120px -146px 0 -150px rgba(255,255,255,0.15),
    
    150px -118px 0 -150px rgba(0,0,0,1),
    150px -116px 0 -150px rgba(255,255,255,0.15),
    
    172px -84px 0 -150px rgba(0,0,0,1),
    172px -82px 0 -150px rgba(255,255,255,0.15),
    
    186px -42px 0 -150px rgba(0,0,0,1),
    186px -40px 0 -150px rgba(255,255,255,0.15),
    
    190px 0 0 -150px rgba(0,0,0,1),
    190px 2px 0 -150px rgba(255,255,255,0.15),
    
    186px 42px 0 -150px rgba(0,0,0,1),
    186px 44px 0 -150px rgba(255,255,255,0.15),
    
    172px 84px 0 -150px rgba(0,0,0,1),
    172px 86px 0 -150px rgba(255,255,255,0.15);
}

.knob:before {
  content: '';
  display: block;
  box-sizing: border-box;
  
  width: 180px;
  height: 180px;
  margin: auto;
  position: relative;
  top: 50%;
  transform: translateY(-50%);
  
  border-radius: 50%;
  background-color: #ddd;
  background-image:
    linear-gradient(rgba(0,0,0,0) 40%, rgba(0,0,0,0.2)),
    linear-gradient(-100deg, rgba(0,0,0,0) 47%, rgba(0,0,0,0.035) 53%),
    linear-gradient(30deg, rgba(0,0,0,0.035) 47%, rgba(0,0,0,0) 53%),
    linear-gradient(-230deg, rgba(0,0,0,0) 48%, rgba(0,0,0,0.035) 52%),
    linear-gradient(330deg, rgba(0,0,0,0.03) 48%, rgba(0,0,0,0) 52%);
  box-shadow:
    0 -30px 80px rgba(255,255,255,0.3),
    0 30px 80px rgba(0,0,0,0.8),
    0 75px 20px rgba(0,0,0,0.5),
    inset 0 3px 1px rgba(255,255,255,1),
    inset 0 -3px 1px rgba(0,0,0,0.3);
}

.knob:after {
  content: '';
  display: block;
  
  width: 10px;
  height: 25px;
  margin: auto;
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  
  border-radius: 3px;
  background-color: #333;
  
  box-shadow: inset 0 1px 2px 1px rgba(0,0,0,1);
}
              
            
!

JS

              
                // Copyright (c) 2014 Josh Bader at Codepen (https://codepen.io/joshbader/)
              
            
!
999px

Console