/* Basic page reset and layout */
      body {
        margin: 0;
        font-family: Arial, sans-serif;
        display: flex;
        flex-direction: column;
        min-height: 100vh;
      }
      
      ul {
        list-style-type: square;
      }
      
      li {
        padding: 0.5vh;
      }
      table {
        margin: 0;
        padding: 0;
        border: 0;
        border-collapse: collapse;
      }
      
      td {
        padding: 5px;
      }

      /* Header styling */
      .site-header {
        padding: 1vw 1vh;
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: fixed;
        top: 0px;
        left: 0px;
        width: 98%;
        height: 10vh;
        max-width: 800px;
        isolation: isolate;
        background-color: white;
        }
      
      .site-header::before {
        content: "";
        position: absolute;
        inset: 0;
        z-index: -1;
        height: 10vh;
        background-image: url("https://media.istockphoto.com/id/185474758/photo/residential-building-brighton-uk.jpg");
        background-size: 100% 100%;
        background-repeat: no-repeat;
        opacity: 0.3;
      }

      .site-header img {
        max-width: 40%;
        opacity: 1.0;
        height: 9vh;
      }

      .site-header nav {
        width: 50%;
      }

      .site-header nav a {
        color: black;
        font-weight: bold;
        margin-left: 3%;
      }

      .site-header nav a:hover {
        text-decoration: underline;
      }

      /* Main content styling */
      .site-content {
        flex: 1; /* Pushes the footer to the bottom of the screen */
        padding: 2vw 2vh;
        width: 96vw;
        margin-top: 10vh;
        margin-bottom: 6vh;
        max-width: 800px;
      }
      
      /* Footer styling */
      .site-footer {
        background-color: #f1f1f1;
        color: grey;
        text-align: center;
        padding: 1vw 1vh;
        margin-top: auto;
        position: fixed;
        bottom: 0px;
        left: 0px;
        width: 98vw;
        height: 3vh;
        max-width: 800px;
        vertical-align: bottom;
      }