Disallow scrolling off the beginning and end

[picsort] / picsorter.css

@-webkit-keyframes fadeOut {
  from { opacity: 1; }
    to { opacity: 0; }
}
@keyframes fadeOut {
  from { opacity: 1; }
    to { opacity: 0; }
}

#message {
  position: fixed;
  font-size: 18pt;
  margin: 2em;
  border-radius: 10px;
  padding: .3em;
  color: white;
  font-weight: bold;
  font-family: sans-serif;
  background-color: rgba(200,200,200,0.5);
}

#namecontainer {
  position: fixed;
  width: 100%;
}
#name {
  display: block;
  margin-left: auto;
  margin-right: auto;
  font-size: 30pt;
}

.fade {
  opacity: 0;
  animation-duration: 2s;
  animation-name: fadeOut;
  -webkit-animation-duration: 2s;
  -webkit-animation-name: fadeOut;
}

.fit_view {
  max-width: 100%;
  max-height: 100%;
}