.nav-link {
  display: block;
  padding: .5rem 1rem;
}

.navbar-nav .nav-link {
  padding-right: 0;
  padding-left: 0;
  margin-top: 5px;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  display: none;
  float: left;
  min-width: 10rem;
  padding: .5rem 0;
  margin: .125rem 0 0;
  font-size: 100%;
  color: #212529;
  text-align: left;
  list-style: none;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid rgba(0,0,0,.15);
  border-radius: .25rem;
}

.dropdown-menu-right {
  right: auto;
  left: auto;
}

@media (max-width:992px) {
  .col-xl-2 livros {
    -ms-flex: 0 0 16.666667%;
    flex: 0 0 16.666667%;
    max-width: 16.666667%;
  }
}

@media (max-width:992px) {
  .col-xl-2 {
    -ms-flex: 0 0 24.999999%;
    flex: 0 0 24.999999%;
    max-width: 24.999999%;
  }
}

@media (max-width:576px) {
  .col-xl-2 {
    -ms-flex: 0 0 100%;
    flex: 0 0 100%;
    max-width: 100%;
  }
}

#mainNav {
  padding-top: 25px;
  padding-bottom: 25px;
  transition: 0.4s;
}

#lancamento {
  color: #313437;
  background-color: #fff;
  padding-top: 130px;
  padding-bottom: 60px;
}