* { margin: 0; padding: 0; }

body {
  font-family: sans-serif
}

#bg {
  position: fixed;
  width: 100%;
  display: block;
  bottom: 0;
  right: 0;
  z-index: -1;
}

#power-panel {
  color: white;
  cursor: pointer;

  background: rgba(8, 8, 8, 0.3);
  box-shadow: 0px 0px 1em 1em (8, 8, 8, 0.3);
  position: absolute;
  bottom: 2em;
  opacity: 0.5;
  right: 2em;
  transition: 1s;
}

#power-options {
  border-radius: 10px;
  padding: 1em;
  transition: 1s;
  display: none;
}

#power-panel.active #power-options {
  display: block;
}

#power-panel.active #power-button { display: none; }

#power-options ul { list-style: none; }

#power-options li {
  margin-bottom: 1em;
  font-size: 200%;
}

#power-options li:last-child {
  margin-bottom: 0;
}