.container {
    max-width: 800px;
}

#qrcode {
    margin: 20px auto;
    width:256px;
    height:256px;
}

.action-container {
    margin: 0px auto;
    width:256px;
    height:256px; 
}

.action-container > * {
    width:256px;
}

/*footer*/
* {
    margin:0;
}

html, body {
  height: 100%;
}

#page-wrap {
  min-height: 100%;
  /* equal to footer height */
  margin-bottom: -50px; 
}

#page-wrap:after {
  content: "";
  display: block;
}

.footer, #page-wrap:after {
  height: 50px; 
}

.footer {
  
}