.demo-container {
    margin: 0 auto;
    max-width: 700px;
}
.demo-container h5,.demo-container-2 h5{
  font-size: 1em;
  font-weight: 600;
  text-transform: none;
  color: #d2527f;
}
.demo-container p {
    margin-bottom: 30px;
}

.el {
    padding: 40px;
    background-color: #fff;
    background-image: url(images/bee.png);
    background-repeat: no-repeat;
    background-position: 50% 20px;
    color: #777;
    width: 80%;
    height: 300px;
    overflow-y: scroll;
    border: 5px solid #eee;
}

.el-1 {
    background-attachment: scroll;
}

.el-2 {
    background-attachment: local;
} 
.demo-container-2{
  margin: 20px auto;
  max-width: 700px;
}
.el-3 {
  border: 5px solid #fff;
  padding: 20px;
  background-color: #fff;
  background-image: url(images/1456293187689.jpg);
  background-repeat: no-repeat;
  background-position: 50% 50%;
  background-attachment: fixed;
  color: #3498db;
  width: 80%;
  height: 300px;
  border: 5px solid #eee;
  overflow-y: scroll;
}