Fat Switch

index.html

<div id="group">
  <fieldset class="switch">
    <legend>Subscribe: </legend>
    <input id="yes" name="view" type="radio" checked>
    <label for="yes">Yes</label>
    <input id="no" name="view" type="radio">
    <label for="no">No</label>
    <span class="switch-button"></span>
  </fieldset>
</div>

style.css

body { background: url(https://dl.dropbox.com/u/47224881/Demo/wood-tile-background.jpg);}

#group {
  position: relative;
  margin: 60px auto;
  padding: 20px 20px 23px;
  border: 1px dashed rgba(0,0,0,.5);
  background-image: linear-gradient(top,
                    rgba(255,255,255,.1),
                    rgba(0,0,0,.1));
  background-color: #555;
  width: 340px;
  border-radius: 5px;
  box-shadow: 0 0 0 3px #555,
              -2px 3px 0px 2px rgba(0,0,0,.6),
              2px -2px 0px 2px rgba(255,255,255,.6),
              -5px 5px 20px 0px rgba(0,0,0,.6);
}
#group:after {
  content: " ";
  position: absolute;
  z-index: 1;
  top: 0px;
  left: 0px;
  right: 0px;
  bottom: 0px;
  border-radius: 5px;
  border: 1px dashed #fff;
}

.switch {
  position: relative;
  border: 0;
  padding: 0;
  width: 300px;  
  font-family: helvetica;
  font-weight: bold;
  font-size: 22px;
  color: #222;
  text-shadow: 0 1px 0 rgba(255,255,255,.4);
}

.switch legend {
  float: left;
  width: 40%;
  padding: 7px 10% 3px 0;
  text-align: right;
}

.switch input {position: absolute; opacity:0;}

.switch legend:after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 0;
  width: 50%;
  height: 100%;
  padding: 2px;
  background-color: #222;
  border-radius: 3px;
  box-shadow: inset -1px 2px 5px rgba(0,0,0,.8),
              0 1px 0 rgba(255,255,255,.2);
}

.switch label {
  position: relative;
  z-index: 2;
  float:left;
  width:25%;
  margin-top: 2px;
  padding: 5px 0 3px 0;
  text-align: center;
  color: #64676b;
  text-shadow: 0 1px 0 #000;
  cursor: pointer;
}

.switch input:checked + label {
  color: #2d592a;
  text-shadow: 0 1px 0 rgba(255,255,255,.5);
}

.switch input:focus + label {outline: none;}

.switch .switch-button {
  clear: both;
  position: absolute;
  top: -1px;
  left: 50%;
  z-index: 1;
  width: 25%;
  height: 100%;
  margin: 2px;
  background-color: #70c66b;
  background-image: linear-gradient(top,
                    rgba(255,255,255,.2),
                    rgba(0,0,0,0));
  border-radius: 3px;
  border: 1px dashed rgba(0,0,0,.3);
  box-shadow: 0 0 0 3px #70c66b,
              -2px 3px 5px #000;
  transition: all .3s ease-out;
}
.switch .switch-button:after {
  content: " ";
  position: absolute;
  z-index: 1;
  top: 0px;
  left: 0px;
  right: 0px;
  bottom: 0px;
  border-radius: 3px;
  border: 1px dashed #fff;
}


.switch input:last-of-type:checked ~ .switch-button {left: 75%;}