body {
  font-family: Arial, sans-serif;
  margin: 0; padding: 0;
}
header nav {
  background: #0073e6;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
}
nav a {
  color: white;
  text-decoration: none;
  margin: 0 10px;
}
.hero {
  text-align: center;
  padding: 100px 20px;
  background: #18b2ef;
}
.btn {
  display: inline-block;
  background: #3e83c9;
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
}
footer {
  text-align: center;
  padding: 20px;
  background: #f1f1f1;
  margin-top: 50px;
}
.navbar {
  transition: all 0.3s ease-in-out;
}

.navbar-brand {
  font-size: 1.4rem;
  letter-spacing: 0.5px;
}

.nav-link:hover {
  color: #334f9d !important;
}

.btn-primary {
  background-color: #334f9d;
  border: none;
}

.btn-primary:hover {
  background-color: #ffda3a;
  color: #333;
}

.btn-outline-primary:hover {
  background-color: #334f9d;
  color: #fff;
}