body {
    background-color: black;
    margin: 0;
	font-family: 'Ubuntu', sans-serif;
  }
  
header {
    background-color: black;
    color: white;
    text-align: center;
    font-family: 'Ubuntu', sans-serif;
  }
  
nav {
    display: flex;
    justify-content: center;
    background-color: black;
  }
  
nav a {
    color: white;
    text-decoration: none;
    padding: 10px 15px;
    margin: 0 10px;
    border-radius: 5px;
  }
  
nav a:hover {
    background-color: #555;
  }
  
.image-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 10px;
    padding: 20px;
  }
  
.image-grid img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
  }

.image-grid img.black-and-white {
    filter: grayscale(100%);
  }
  
@media (max-width: 650px) {
  .image-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    padding: 20px;
  }
}