.demo-container {
  box-sizing: border-box;
  width: 90%;
  height: auto;
  padding: 20px 15px 15px 15px;
  margin: 15px auto 30px auto;
  border: 1px solid #ddd;
  background: #fff;
  background: linear-gradient(#f6f6f6 0, #fff 50px);
  background: -o-linear-gradient(#f6f6f6 0, #fff 50px);
  background: -ms-linear-gradient(#f6f6f6 0, #fff 50px);
  background: -moz-linear-gradient(#f6f6f6 0, #fff 50px);
  background: -webkit-linear-gradient(#f6f6f6 0, #fff 50px);
  box-shadow: 0 3px 10px rgba(0,0,0,0.15);
  -o-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  -ms-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  -moz-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  -webkit-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.demo-placeholder {
  width: 100%;
  height: 100%;
  font-size: 14px;
  line-height: 1.2em;
}

#expand-box {
width: 100%;
padding: 0;
}

#expand-box-header {
margin: 0;
color: #FFF;
padding: 0 0 3px 2px;}

#expand_box_sub_header { clear: both; }

.clearfix:after { content: "\00A0"; display: block; clear: both; visibility: hidden; line-height: 0; height: 0;}  
.clearfix{ display: inline-block;}  
html[xmlns] .clearfix { display: block;}  
* html .clearfix{ height: 1%;}  
.clearfix {display: block}