.bb{color:transparent; font-size:1;} /* This is custom style tag so dot is in front */
html {
  scroll-behavior: smooth;
}
#myBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 15px;
  z-index: 99;
  font-size: 100%;
  border: 1px;
  outline: 1px;
  background-color: red;
  color: white;
  cursor: pointer;
  padding: 5px;
  border-radius: 4px;
}

#myBtn:hover {
  background-color: #555;
}
#myIndex {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 70px;
  z-index: 99;
  font-size: 100%;
  border: 1px;
  outline: 1px;
  background-color: red;
  color: white;
  cursor: pointer;
  padding: 5px;
  border-radius: 4px;
}

#myIndex:hover {
  background-color: #555;
}
#nexTop {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 220px;
  z-index: 99;
  font-size: 100%;
  border: 1px;
  outline: 1px;
  background-color: red;
  color: white;
  cursor: pointer;
  padding: 5px;
  border-radius: 4px;
}

#nexTop:hover {
  background-color: #555;
}