.botao {
   text-align: center;
   margin-top: 10px;
   margin-bottom: 10px;
}

.botao-voltar {
   background: rgba(168, 115, 65, 0.8);
   border-radius: 6px;
   padding: 8px;
   cursor: pointer;
   color: #fff;
   border: none;
   font-size: 16px;
}