.dropbtn {
  padding: 16px;
  font-size: 16px;
  border: none;
}

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

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f1f1f1;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

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

.dropdown-content a:hover {background-color: #ddd;}

.dropdown:hover .dropdown-content {display: block;}

.dropdown:hover .dropbtn {background-color: #E0E0E0;}

i.arrow.down {
  position: relative;
  bottom: 3px;
  left: 3px;
}

.arrow {
  border: solid black;
  border-width: 0 2px 2px 0;
  display: inline-block;
  padding: 2px;
}

.down {
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
}