:root{
  --preto: #000;
  --branco: #fff;
  --cor1: #8b6f57;
  --cor2: #f1c002;
  --cor3: #645549;
  --cor4: #886140;
  --altura1: 6vh;
}

*::before,
*::after {
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
}

body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
}

.dropbtn {
  line-height: 60px;
  background-color: var(--cor1);
  color: var(--branco);
  text-transform: uppercase;
  font-size: 18px;
  border: none;
  cursor: pointer;
}

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

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  text-transform: uppercase;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 2;
}

.dropdown-content a {
  color: var(--branco);
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  margin-top: -5px;
  background-color: var(--cor4);
}

.dropdown-content a:hover {background-color: var(--cor3)}

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

.dropdown:hover .dropbtn {
  background-color: var(--cor3);
}