.section-1 > div > a,
.section-4 > div a,
.contato-section-2 .form button,
.denuncia-section-1 form button{
  background-color:#000;color:#fff;height:45px;border:0;border-radius:0;
}
.section-4 > div a{width:145px;height:45px;border:.2px solid #000;border-radius:300px;padding:1vh 0;}
.section-4 > div a:hover{background-color:transparent;color:#000;border:.2px solid #000;}
@media (max-width:991.98px){
  .header-logo{width:150px;}
  .navbar-toggler-icon{width:1em;}
}