body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  background-color: rgba(255, 255, 255, 0.5); 
}


header {
  background-color: #f0f0f0;
  padding: 20px;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
}


nav ul {
  list-style-type: none;
  text-align: center;
}

nav ul li {
  display: inline;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  padding: 10px 20px;
}

nav ul li a:hover {
  background-color: #555;
}


main {
  padding: 20px;
}


.content h1 {
  padding-top: 70px;
  margin-top: 20px;
  text-align: center;
  margin-bottom: 20px;
}



.card {
  background-color: rgba(114, 112, 111, 0.5); 
  text-align: center; 
  padding: 20px;
  display: flex; 
  flex-direction: column; 
  align-items: center; 
}

.card img {
  display: block;
  margin: 0 auto;
  margin-bottom: 10px; 
  width: 20%; 
  height: auto; 
}

.card h2 {
  margin: 0; 
  color: #333; 
}


footer {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 10px 0;
}

@media (max-width: 768px) {
  .carousel-inner img {
      max-height: 300px; 
  }
  .card img {
      width: 50%; 
  }
}

@media (max-width: 576px) {
  .carousel-inner img {
      max-height: 200px; 
  }
  .card img {
      width: 80%; 
  }
}