* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  font-family: Arial, sans-serif;
  width: 100%;
  height: 100%;
  text-align: center;
  background-color: #D0FFBC;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #004225;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 15px 0;
}

label.logo {
  color: white;
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 10px;
}

nav ul {
  list-style: none;
  display: flex;
  flex-direction: row;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  padding-left: 0;
}

nav ul li a {
  color: white;
  font-size: 17px;
  padding: 8px 12px;
  border-radius: 3px;
  text-transform: uppercase;
  text-decoration: none;
}

a.active, a:hover {
  background: #D0FFBC;
  color: #000;
  transition: 0.3s;
}

a.notready {
  background: #ffbcbc;
  color: #000;
  transition: 0.3s;
}

main {
  margin-top: 120px; 
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#quack {
  max-width: 90%;
  max-height: 80vh;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
}

@media (max-width: 600px) {
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }

  label.logo {
    font-size: 20px;
  }
}

h1 {
  font-size: 20px;
  font-weight: bold;
}