.demo_wrapper {
	width: 100%;
	margin: 0 auto;
	border:0px solid;
	border-radius:3px;
}
@media only screen and (max-device-width: 800px), screen and (max-width: 800px) {
  .demo_wrapper {
    width: 80%;
  }  
}
.demo_block {
	width: 100%;
	padding-top:10px;
	padding-bottom:20px;
}