canvas {
  background-color:#fff;
  margin:0;
}


html, body {
  height: 100%;
}
body {
  margin: 0;
  overflow: hidden; /* Hide scrollbars */
}

.parent {

  z-index:1;
  padding: 0;
  margin: 0;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
} 

.viewer {
  position:relative;
  z-index:1;
  width: 100%;
  height: 100%;
} 

/*
.logo {
  position:absolute;
  right:0;
  bottom:0;
  z-index:2;

} */


.slider{
  padding: 0;
  margin: 0;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
} 

.viewer-canvas
{
  width: 100%;
  height: 100%;
}

.loader {
  position:absolute;
  left:50%;
  top:50%;
  z-index:3;
  border: 6px solid #f3f3f3; /* Light grey */
  border-top: 6px solid #999; /* Blue */
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}