* {
  margin: 0;
  padding: 0
}

body {
  background-color: #000c21;
  position: relative;
  padding: 100px;
}

p {
  color: #fff;
  font-size: 20px;
  line-height: 50px;
}

#pageup {
  position: fixed;
  right: 40px;
  bottom: 60px;
  width: 48px;
  height: 48px;
  background-image: url(../img/up.png);
  background-repeat: no-repeat;
  background-size: 48px 48px;
  display: none;
  cursor: pointer;
}