#pdf-file {
  display: block;
  width: 100%;
  padding: 12px;
  border: 2px dashed #fff;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 15px;
  margin: 15px 0;
  cursor: pointer;
  transition: 0.3s;
}

#pdf-file:hover {
  background: rgba(255, 255, 255, 0.25);
}

#pdf-file::file-selector-button {
  background: linear-gradient(45deg, #ff6a00, #ee0979);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.3s;
}

#pdf-file::file-selector-button:hover {
  opacity: 0.85;
}