body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #a8edf6;
        }

        header {
            background-color: #75dae3;
            color: rgb(8, 10, 66);
            padding: 15px;
            text-align: left;
        }

        .main-container {
            position: relative;
            display: inline-block;
            margin: 20px;
        }

        #menu-button {
            background-color: #75dae3;
            color: rgb(2, 45, 57);
            padding: 1px 9px;
            border: none;
            cursor: pointer;
            font-size: 13px;
            border-radius: 11px;
        }

        #submenu {
            position: absolute;
            top: 100%;
            left: 0;
            background-color: #c2f4fa;
            border: 1px solid #c2f4fa;
            width: 200px;
            list-style: none;
            margin: 0;
            padding: 0;
            display: none;
            z-index: 100;
        }

        #submenu.visible {
            display: block;
        }

        #submenu li {
            position: relative;
        }

        #submenu li a {
            color: rgb(2, 45, 57);
            padding: 12px 16px;
            display: block;
            text-decoration: none;
        }
nav {
    background-color: #30cdd1;
    display: flex;
    justify-content: center;
}
        #submenu li a:hover {
            background-color: #98c8ce;
        }

        #temas-submenu {
            display: none;
            position: absolute;
            top: 0;
            left: 100%;
            min-width: 160px;
            background-color: #c2f4fa;
            border: 1px solid #c2f4fa;
            z-index: 101;
        }

        #submenu li:hover #temas-submenu {
            display: block;
        }

        #temas-submenu li a {
            padding: 10px 12px;
            display: block;
        }

        .container {
            max-width: 800px;
            margin: 20px auto;
            padding: 20px;
            background-color: white;
            box-shadow: 0px 26px 5px rgba(0, 0, 0, 0.1);
            border-radius: 11px;
        }
        .menu-contenedor-alineado {
           display: flex;
          align-items: flex-start;
          gap: 0px;
       }
        section {
            padding: 20px;
            margin-bottom: 15px;
            background-color: #ddd;
            border-radius: 25px;
        }

        p {
            text-align: justify;
            margin-bottom: 15px;
        }

        .video-container {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 20px;
        }

        .contenedor {
            display: flex;
            justify-content: flex-end;
            padding-top: 10px;
        }

        button {
            cursor: pointer;
            background: DarkSlateBlue;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
        }

        button:hover {
            background: SlateBlue;
        }

        h4 {
            text-align: right;
        }

        footer {
            text-align: right;
            padding: 1rem 2rem;
            background-color: #52cac6;
            color: #05125d;
        }

        .hidden {
            display: none;
        }

        .show {
            display: block;
        }
.message {
    background: #e2e2e2;
    padding: 10px;
    border-radius: 5px;
    margin-top: 10px;
    position: relative;
}
.button-container {
    display: flex;
    gap: 4px; /* Agrega espacio entre los botones */
    margin-top: 7px; /* Espacio entre mensaje y botones */
}
 .modal {
            display: none;
            position: fixed;
            z-index: 1;
            left: 0;
            top: 0;
            width: 80%;
            height: 80%;
            background-color: rgba(0,0,0,0.5);
        }
        .modal-content {
            background-color: white;
            margin: 15% auto;
            padding: 20px;
            width: 50%;
            border-radius: 10px;
        }
        .close {
            float: right;
            font-size: 24px;
            cursor: pointer;
        }
table {
    margin: 0 auto;
    width: 95%;
    border-collapse: collapse;
  }

  th, td {
     border: 1px solid #000;
      padding: 8px 12px;
      text-align: center;
  }
  th {
      background-color: #f2f2f2;
    }
  /* Selecciona la primera columna */
  td:nth-child(1), th:nth-child(1) {
    width: 100px;
  }

  /* Segunda columna */
  td:nth-child(2), th:nth-child(2) {
    width: 80px;
  }

  /* Tercera columna */
  td:nth-child(3), th:nth-child(3) {
    width: 89px;
  }
     iframe {
            width: 100%;
            height: 90vh;
            border: none;
        }
   textarea {
      width: 90%;
      padding: 10px;
      margin-bottom: 10px;
       font-size: 16px; 
         border-radius: 5px;
      border: 1px solid #ccc;
       resize: vertical; } 
  .output {
      margin-top: 10px;
      background: white;
      padding: 10px;
      border: 1px solid #ccc;
      min-height: 50px;
    }
   details {
      margin-bottom: 1.5rem;
      border: 1px solid #ccc;
      border-radius: 5px;
      padding: 1rem;
      background-color: #fdfdfd;
    }

    summary {
      font-weight: bold;
      font-size: 1.1rem;
      cursor: pointer;
      color: #444;
    }

    .question {
      margin: 1rem 0;
    }

    .question label {
      display: block;
      margin-bottom: 0.5rem;
    }

    input[type="text"] {
      padding: 6px;
      width: 100%;
      box-sizing: border-box;
    }
    input[type="radio"] {
      margin-right: 0.5rem;
    }
 .result {
      background-color: #e6f7ff;
      border: 1px solid #b3d8ff;
      padding: 1rem;
      margin-top: 2rem;
      border-radius: 5px;
      text-align: left;
    }

    .correct {
      color: green;
    }

    .incorrect {
      color: red;
    }