.dropbtn {
  background-color: rgb(52, 152, 219);
  color: rgb(255, 255, 255);
  padding: 16px;
  font-size: 1em;
  border: none;
  cursor: pointer;
}

.dropbtn:hover,
.dropbtn:focus {
  background-color: rgb(41, 128, 185);
}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: rgb(241, 241, 241);
  min-width: 10em;
  overflow: auto;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.dropdown-content a {
  color: rgb(0, 0, 0);
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}

.dropdown a:hover {
  background-color: rgb(221, 221, 221);
}

.visible {
  display: block;
}