* {
    box-sizing: border-box;
  }
  
  body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: black;
  }
  
  h1 {
    color: rgb(141, 238, 63);   
  }
  h2 {
    color: yellow; 
  }

  /* Style the header */
  header {
    /* background-color: #126d12; */
    position: fixed;
    top: 0;
    width: 100%;
    background:rgb(2, 2, 2);
    background-image: linear-gradient(lightgreen, black);
    padding: 1px;
    text-align: center;
    font-size: 18px;
    color: rgb(128, 238, 128);
  }

  /* Create two columns/boxes that floats next to each other */
  /* 
  nav {
    float: left;
    width: 300;
    height: 400px;
    background:rgb(0, 0, 0);
    padding: 10px;
    font-size: 40px;
    text-align: center;
  }
  nav ul {
    list-style-type: none;
    padding: 15px;
    width: 100%;
    height: auto;
    overflow: hidden;
  }
  */
  

  article {
    /* float: left; */
    padding: 10px;
    /* width: 80%; */
    /* background-color: #f1f1f1; */
    background-color:rgb(0, 0, 0);
    height: auto; /* 700px; only for demonstration, should be removed */
    color: whitesmoke;
  }
  
  /* Clear floats after the columns */
  section::after {
    content: "";
    display: table;
    clear: both;
  }
  
  /* Style the footer */
  footer {
    background-color:black;
    background-image: linear-gradient(black,lightgreen);
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 5px;
    text-align: center;
    color: white;
  }
  
  /* Responsive layout - makes the two columns/boxes stack on top 
     of each other instead of next to each other, on small screens */
  @media (max-width: 600px) {
    nav, article {
      width: 100%;
      height: auto;
    }
  }

  a:link, a:visited {
    background-color: rgb(1, 14, 8);
    color: white;
    padding: 2px 2px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
  }
  
  a:hover, a:active {
    background-color: rgb(66, 110, 66);
  }

  .hamburger {
    width: 35px;
    height: 5px;
    background-color: black;
    margin: 6px 0;
  }
  
  /* drop down menus */
  .dropbtn {
    background:rgb(2, 2, 2);
    background-image: linear-gradient(black,lightgreen);
    position:fixed;
    top: 0;
    color: white;
    font-weight: bold;
    margin-left: 0;

    padding-left: 12px;
    padding-right: 12px;
    padding-top: 20px;
    padding-bottom: 25px;

    font-size: 20px;
    border: none;
    cursor: pointer;
  }
  
  .dropbtn:hover, .dropbtn:focus {
    background-color: rgb(26, 58, 9);
  }
  
  .dropdown {
    position: fixed;
    top: 75px;
    display: inline-block;
  }
  
  .dropdown-content {
    display: none;
    position: absolute;
    background-color: #f1f1f1;
    min-width: 160px;
    overflow: auto;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
  }
  
  .dropdown-content a {
    color: white;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
  }
  
  .dropdown a:hover {
    background-color: #ddd;
  }
  
  .show {
    display: block;
  }