body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
}

header {
  background-color: #004466;
  color: white;
  padding: 2rem 1rem;
  text-align: center;
}

nav {
  background-color: #006699;
  padding: 0.5rem;
  text-align: center;
  flex-wrap: wrap;
  display: flex;
  justify-content: center;
}

nav a {
  color: white;
  margin: 0.5rem;
  text-decoration: none;
  display: inline-block;
}

main {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 1rem;
  background-color: white;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

section {
  margin-bottom: 2rem; 
  text-align: justify;
  line-height: 1.5rem;
}

#content {
  background-image: url(logo.png);
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

footer {
  background-color: #004466;
  color: white;
  text-align: center;
  padding: 1rem;
  position: relative;
}

/* Mobilbarát reszponzivitás */
@media (max-width: 768px) {
  header, main, footer {
    padding: 1rem;
  }

  nav {
    flex-direction: column;
  }

  nav a {
    margin: 0.3rem 0;
  }

  #content {
    background-size: cover;
    padding-top: 1rem;
  }
}