* { box-sizing: border-box; }
  body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0 20px;
    background: #f9f9f9;
    color: #333;
    line-height: 1.6;
  }
  h1, h2, h3, h4 {
    color: #cc5200;
  }
  header {
    padding: 2rem 0;
    text-align: center;
  }
  img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    display: block;
  }
  .two-column-section {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 2rem 0;
    align-items: flex-start;
  }
  .left-col {
    flex: 1 1 250px;
    max-width: 250px;
  }
  .right-col {
    flex: 1 1 500px;
    min-width: 250px;
  }
  section { margin-bottom: 3rem; }
  table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
  }
  td {
    padding: 8px;
    vertical-align: top;
  }
  tr:nth-child(even) {
    background-color: #f2f2f2;
  }
  ul { margin-bottom: 2rem; }
  a { color: #0077cc; text-decoration: none; }
  a:hover { text-decoration: underline; }

  /* 👇 Media query fix for narrow windows */
  @media (max-width: 768px) {
    .two-column-section {
      flex-direction: column;
    }
    .left-col,
    .right-col {
      flex: 1 1 100%;
      max-width: 100%;
    }
  }
  .tab {
  overflow: hidden;
  border: 1px solid #ccc;
  background-color: #f1f1f1;
}

/* Style the buttons that are used to open the tab content */
.tab button {
  background-color: inherit;
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 14px 16px;
  transition: 0.3s;
}

/* Change background color of buttons on hover */
.tab button:hover {
  background-color: #ddd;
}

/* Create an active/current tablink class */
.tab button.active {
  background-color: #ccc;
}

/* Style the tab content */
.tabcontent {
  display: none;
  padding: 6px 12px;
  border: 1px solid #ccc;
  border-top: none;
}