html, body{
  height: 100%;
  background: white;
  color: black;
  overflow: hidden;
  padding: 0px;
  margin: 0px;
  font-family: sans-serif;
}

#container{
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.beam{
  width: 8px;
  height: 2000px;
  position: absolute;
  background: red;
  box-shadow: 0px 0px 40px 10px red;
  display: none;
}

p{
  margin-top: 30px;
  font-size: 18px;
  line-height: 1.6em;
}

.bottom-light{
  width: 10px;
  height: 10px;
  background: red;
  border-radius: 100%;
  position: fixed;
  background-color: #fff;
  box-shadow:
    0px 0px 10px 10px white,
    0px 0px 30px 30px red,
    0px 100px 100px 100px rgba(255, 0, 0, .3);
}

#switch{
  color: white;
  background: black;
  font-size: 32px;
  font-weight: bold;
  padding: 8px 15px 8px 15px;
  border: none;
  border-radius: 5px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  margin-top: 70px;
  cursor: pointer;
  outline: none;

}

#disco-ball{
  max-width: 60px;
  position: absolute;
  display: none;
  user-select: none;
}