#scrollUp {
  background-color: #242A30;
  border: none;
  cursor: pointer;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  position: fixed;
  bottom: 50px;
  right: 2rem;
  outline: none;
}

#scrollUp:hover {
  background-color: #4E5863;
}

#scrollUp::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background-image: url('data:image/svg+xml;utf8,<svg width="24" height="24" viewBox="0 0 24 24" fill="white" xmlns="http://www.w3.org/2000/svg"><path d="M7.41 15.41 12 10.83l4.59 4.58L18 14l-6-6-6 6 1.41 1.41z"></path></svg>');
  background-repeat: no-repeat;
  background-position: center;
  background-size: 2rem;
}