.nut_dropdown {
  background-color: #04b904;
  color: white;
  font-size: 16px;
  border: none;
  padding: 5px 20px;
  border-radius: 4px;
  position: absolute;
}

.dropdown:hover .nut_dropdown {
  background-color: green;
}

.dropdown {
  padding: 0;
  position: relative;
  display: inline-block;
  width: fit-content;
  height: fit-content;
}

.noidung_dropdown {
  display: none;
  position: absolute;
  background-color: #f1f1f1;
  min-width: 200px;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 1;
  font-size: 18px;
}

.dropdown:hover .noidung_dropdown {
  display: block;
}

.noidung_dropdown a {
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}

.noidung_dropdown a:hover {
  background-color: #cecdcd;
}