body {
  -webkit-app-region: drag;
  background: white;
  color: #222;
  font-family: Open Sans, sans;
  text-align: center;
}

div.section {
  display: block;
}

body.running .section:not(.show-on-running) {
  display: none;
}

body:not(.running) .section.show-on-running {
  display: none;
}

.warning {
  color: #990000;
  font-size: 36px;
  font-weight: bold;
}