body {
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      background: linear-gradient(to right, orange, purple);
      color: white;
    }

    h1 {
      margin-top: 20px;
      font-size: 36px;
    }

    .cont {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      margin-top: 20px;
    }

    .cuadro {
      width: 100px;
      height: 100px;
      margin: 5px;
      background-color: limegreen;
      color: white;
      font-size: 46px;
      text-align: center;
      line-height: 100px;
      border-radius: 10px;
      box-shadow: 0 0 10px rgba(0,0,0,0.2);
      cursor: pointer;
    }

    .cuadro:hover {

    }

    .cuadro2 {
      width: 30px;
      height: 30px;
      margin: 3px;
      background-color: orange;
      color: white;
      font-size: 18px;
      text-align: center;
      line-height: 30px;
      border-radius: 5px;

    }

    .linea {
      margin-left: 30px;
      display: flex;
      flex-direction: column;
    }

    select {
      padding: 8px;
      border-radius: 6px;
      border: none;
      font-size: 16px;
      margin-bottom: 10px;
    }

    .btn-inicio {
      background-color: purple;
      color: white;
      padding: 12px 24px;
      border: none;
      border-radius: 6px;
      font-size: 16px;
      margin-top: 20px;
      cursor: pointer;
      transition: background-color 0.3s;
      text-decoration: none;
      display: inline-block;
    }

    .btn-inicio a {
      color: white;
      text-decoration: none;
    }