body {
    font-family: Arial, sans-serif;
    margin: 5px;
    padding: 5px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
header {
    background-color: background: linear-gradient(to bottom, #87CEFA, #ffffff); 
            height: 30vh;
            margin: 1em;
    color: white;
    text-align: center;
		margin: 0;
		padding: 0em;
}
a {
   text-decoration: none;
   color: black;
}
a:hover {
   text-decoration: none;
}
nav {
    background-color: #333;
    color: white;
    padding: 0em;
    display: flex;
    justify-content: center;
}
nav a {
    color: white;
    text-decoration: none;
    margin: 1em;
}
main {
    display: flex;
    flex: 1;
}
.sidebar {
    width: 15%;
    background-color: #f4f4f4;
    padding: 1em;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
}
.content {
    flex: 1;
    padding: 1em;
}
footer {
    background-color: #3399FF;
    color: white;
    text-align: center;
    padding: 0em;
}
@media (max-width: 768px) {
    main {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        box-shadow: none;
    }
}

   .gallery {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .gallery img {
      height: 120px;
      width: auto;
      border-radius: 8px;
      cursor: pointer;
      transition: transform 0.2s;
    }

    .gallery img:hover {
      transform: scale(1.05);
    }

    /* Modal */
    .modal {
      display: none;
      position: fixed;
      z-index: 1000;
      left: 0; top: 0;
      width: 100%; height: 100%;
      background-color: rgba(0, 0, 0, 0.8);
      justify-content: center;
      align-items: center;
      flex-direction: column;
    }

    .modal a {
      max-width: 100%;
      max-height: 100%;
    }

    .modal img {
      max-width: 90%;
      max-height: 80%;
      border-radius: 10px;
      cursor: zoom-in;
    }

    .modal .close,
    .modal .nav {
      position: absolute;
      color: white;
      font-size: 40px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 10px;
    }

    .modal .close {
      top: 20px;
      right: 30px;
    }

    .modal .prev {
      left: 30px;
      top: 50%;
      transform: translateY(500%);
    }

    .modal .next {
      right: 30px;
      top: 50%;
      transform: translateY(-50%);
    }

    .modal .nav:hover,
    .modal .close:hover {
      color: #ddd;
    }