#pageNavButtonTopRight {
  display: none;
  position: fixed;
  z-index: 199;
  font-size: 14px;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 5px;
  border-radius: 4px;
  background-color: blue;
  color: white;
  top: 70px;
  right: 10px;
}

#pageNavButtonTopLeft {
  display: none;
  position: fixed;
  z-index: 199;
  font-size: 14px;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 5px;
  border-radius: 4px;
  background-color: blue;
  color: white;
  top: 70px;
  left: 10px;
}

#pageNavButtonBottomRight {
  display: none;
  position: fixed;
  z-index: 199;
  font-size: 14px;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 5px;
  border-radius: 4px;
  background-color: green;
  color: white;
  bottom: 20px;
  right: 10px;
}

#pageNavButtonBottomLeft {
  display: none;
  position: fixed;
  z-index: 199;
  font-size: 14px;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 5px;
  border-radius: 4px;
  background-color: green;
  color: white;
  bottom: 20px;
  left: 10px;
}

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

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

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

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