#scroll {
  height: 6px;
  background-color: cyan;
  box-shadow: gray 0.25rem 0.25rem 0.25rem 0.05rem;
  position: fixed;
}
.test {
  width: 100%;
  background-color: rgb(80, 96, 102);
  display: flex;
  height: 500px;
  justify-content: center;
  align-items: center;
}