* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  color: #222;
}

header {
  background: #111;
  color: white;
  text-align: center;
  padding: 40px 20px;
}

header h1 {
  font-size: 40px;
}

nav {
  margin-top: 30px;
}

nav a {
  color: white;
  text-decoration: none;
  margin: 15px;
  font-size: 18px;
}

section {
  min-height: 400px;
  padding: 50px 20px;
  text-align: center;
}

#home {
  background-image: url('fultron.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

#usluge {
  background: #eee;
}

#kontakt {
  background: white;
}

footer {
  background: #111;
  color: white;
  text-align: center;
  padding: 20px;
}