body {
  font-family: "Segoe UI", sans-serif;
  background-color: #f8f9fa;
  color: #212529;
}

h1, h2, h3, h4, .navbar-brand {
  color: #1a1a1a;
}

a.nav-link {
  font-weight: 500;
  color: #333;
}

a.nav-link:hover {
  color: #1e70bf;
}

.btn-primary {
  background-color: #1e70bf;
  border-color: #1e70bf;
  transition: background-color 0.2s ease-in-out;
}

.btn-primary:hover {
  background-color: #175b99;
  border-color: #175b99;
}

footer {
  background: #fff;
}