* {

    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      margin: 0;
      padding: 0;
      background-color: #eaf6fb;
      color: #003366;
    }

    header {
      /*background-color: #00aaff;*/
       background-color: lightgreen;
      color: white;
      padding: 30px 0;
      text-align: center;
    }

    header h1 {
      font-size: 2.0rem;
      animation: flash 2s infinite;
    }

    @keyframes flash {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }

    main {
      max-width: 1000px;
      margin: 40px auto;
      padding: 20px;
      background-color: white;
      box-shadow: 0 0 15px rgba(0,0,0,0.1);
      border-radius: 8px;
    }

    h2 {
      color: #007acc;
      font-size: 1.2rem;
      border-bottom: 2px solid #b3e0f2;
      padding-bottom: 6px;
    }

 h3 {
      color: #007acc;
      font-size: 1.0rem;
      border-bottom: 2px solid #b3e0f2;
      padding-bottom: 6px;
    }
    .section {
      margin-bottom: 30px;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 10px;
    }

 table, th, td {
      border: 1px solid #bce0f4;



    th {
      background-color: #dff4ff;
    }

 /*   th, td {
      padding: 10px;
      text-align: left;
    }
*/
         th, td {
    border: 2px solid black; /* Defines a 1px solid black border for table headers and cells */
    padding: 8px; /* Adds space between text and border */
    text-align: left; /* Aligns text to the left */
  }
    ul, ol {
      margin-left: 20px;
    }

    .countdown {
      font-size: 1.2rem;
      font-weight: bold;
      background: #e0f7ff;
      padding: 10px;
      border-radius: 5px;
      margin: 10px 0;
    }

    .comment {
  color: #555;
  font-style: italic;
}
  
      #backToTop {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: black;
    color: white;
    font-size: 24px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    transition: opacity 0.3s;
    }

#backToTop:hover {
    background-color: lightblue;
}
}