.navbar {
  background-color: cyan;
  color: red;
}

button .btn-collapse {
  background-color: grey;
  color: white;
}
button .btn-collapse a {
  background-color: grey;
  color: white;
}
button .btn-collapse a:hover {
  background-color: red;
  color: white;
}

.top-menu {
    padding-left: 3rem;
    padding-right: 3rem;
  }
  .navbar {
    background-color: #999;
    background-image: url(../images/titlebg.png);
  }
  .navbar-brand img {
    height: 45px;
  }
  .nav-item {
    margin-left: 2rem;
  }
  .nav-link,.navbar-brand {
    color: #243e64;
    border: solid transparent 1px;
  }
  .nav-link:hover {
    color: #fff;
    text-decoration: underline;
  }
  .nav-link i {
    margin-right: 5px;
  }
  .router-link-active {
    color: white;
    border: solid white 1px;
  }