example.css

body {
  background: none repeat scroll 0 0 #DADADA;
  color: #333333;
  font-family: Helvetica,Arial,sans-serif;
  font-size: 14px;
  line-height: 1.4;
  margin: 0;
  padding: 0;
}

.top {
  color: #EEEEEE;
  background-color: #3F3F3F;
  border-bottom: 2px solid #E17600;
  padding: 5px;
  height: 32px;
  font-size: 24px;
  text-align: center;
  text-shadow: 2px 2px 1px #666666;
}

h2 {
  margin-top: 0px;
  margin-bottom: 5px;
}

#content {
  background-color: #FFFFFF;
  border: 1px solid #CCCCCC;
  margin-left: auto;
  margin-right: auto;
  margin-top: 10px;
  width: 900px;
  padding: 10px;
}

.demo-container {
  background: linear-gradient(#F6F6F6 0px, #FFFFFF 50px) repeat scroll 0 0 transparent;
  border: 1px solid #DDDDDD;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
  height: 300px;
  margin: 10px auto 10px;
  padding: 20px 15px 15px;
}

#placeholder {
  height: 100%;
  width: 100%;
}

.bottom {
  color: #888888;
  font-size: 12px;
  text-align: center;
}

.bottom a {
  color: #888888;
}

#threshold {
  border: 0; 
  color: #f6931f; 
  font-weight: bold;
  width: 60px; 
}

hr {
  margin-top: 15px;
  margin-bottom: 5px;
  border: 0; 
  height: 1px; 
  background: #333; 
  background-image: -webkit-linear-gradient(left, #ccc, #333, #ccc);
  background-image: -moz-linear-gradient(left, #ccc, #333, #ccc);
  background-image: -ms-linear-gradient(left, #ccc, #333, #ccc);
  background-image: -o-linear-gradient(left, #ccc, #333, #ccc); 
}

a {
  color: #E17600;
}