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

  body {
    font-family: Arial, sans-serif;
    font-size:1.2rem;
    padding:20px:
    margin:0;
    align-items:center;
   }

   main {
       display: flex;
       justify-content: center;
       align-items: center;
       padding: 1rem;
   }

   footer {
       position: fixed;
       bottom: 0;
       left: 0;
       width: 100%;
       background-color: #f1f1f1;
       padding: 8px;
       text-align: center;
       z-index: 1000;
   }

   a {  color:black; background-color:transparent; text-decoration:none; }

   p { font-family: Tahoma, Verdana, sans-serif; font-size:16px; }

   h1{
       text-align: center;
       margin-top: 20%;
       justify-content: center;
       opacity: 50%;
   }

  container {
       min-height:600px;
       margin:auto;
       padding:10px;
  }

   .row {
      display: flex;
      flex-wrap: wrap;
      padding: 0 4px;
    }
 
    .column {
      float: left;
      width: 24%;
      padding: 0 4px;
    }
 
    .column img {
      padding: 8px;
      width: 100%;
      height: auto;
      vertical-align: middle;
    }
 
    .row::after {
      content: "";
      display: table;
      clear: both;
}
 
/* Navbar container */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #f5f5f5;
  padding: 0.5rem 1rem;
  flex-wrap: wrap; /* Allows links to move to next line */
}

/* Logo */
.navbar .logo {
  color:black;
  font-size: 1.5rem;
  font-weight: bold;
  text-decoration: none;
}

/* Links container */
.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-links a {
  color: black;
  text-decoration: none;
  padding: 0.5rem;
}

.nav-links a:hover {
  background-color: #f5f5f5;
  border-radius: 4px;
}

/* Hamburger icon */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  height: 3px;
  width: 25px;
  background: black;
  margin: 4px 0;
  transition: 0.3s;
}

/* Mobile styles */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  /* Hide links by default on mobile */
  .nav-links {
    display: none;
    width: 100%;
    flex-direction:column;
  }

  /* Show links when active */
  .nav-links.active {
    display: flex;
  }

  img {
    width:100%;
}