/* Add a style for the body element */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
  }
  
  /* Add a style for the header element */
  header {
    background-color: #333;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
  }
  
  /* Add a style for the logo */
  .logo {
    font-size: 22px;
    text-decoration: none;
    color: #fff;
  }
  
  /* Add a style for the navigation */
  nav {
    display: flex;
  }
  
  /* Add a style for the navigation links */
  nav a {
    color: #fff;
    text-decoration: none;
    padding: 20px;
  }
  
  /* Add a style for the main content */
  main {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 80px);
  }
  
  /* Add a style for the room cards */
  .room-card {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    width: 300px;
    margin: 20px;
  }
  
  /* Add a style for the room card images */
  .room-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
  }
  
  /* Add a style for the room card content */
  .room-card .content {
    padding: 20px;
  }
  
  /* Add a style for the room card title */
  .room-card .title {
    font-size: 18px;
    margin: 0;
  }
  
  /* Add a style for the room card price */
  .room-card .price {
    font-size: 14px;
    color: #999;
  }
  
  /* Add a media query to change the layout on small screens */
  @media (max-width: 600px) {
    /* Change the layout of the header */
    header {
      flex-direction: column;
    }
  
    /* Change the layout of the main content */
    main {
      flex-wrap: wrap;
    }
  
    /* Change the width of the room cards */
    .room-card {
      width: 100%;
      margin: 10px 0;
    }
    .room-card.selected {
        background-color: #f0f0f0;
      }      
  }