* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html, body {
      height: 100%;
      font-family: Arial, sans-serif;
      background: linear-gradient(to right, #ffd1a9, #a0d8f1, #ffd1a9);
      overflow-x: hidden;
    }

    .container {
      max-width: 450px;
      width: 90%;
      margin: auto;
      padding: 20px;
      background: linear-gradient(to right, #a0d8f1, #ffd1a9);
      border-radius: 15px;
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.9);
      text-align: center;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
    }

    .titulo_hoja {
      font-size: 24px;
      color: #5c3a00;
      margin-bottom: 20px;
    }

    .img_logo {
      max-width: 100px;
      margin-bottom: 20px;
    }

    .boton_omt {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .btn_index {
      padding: 12px 20px;
      background-color: #f4a261;
      color: white;
      font-weight: bold;
      border: none;
      border-radius: 8px;
      text-decoration: none;
      cursor: pointer;
      transition: 0.3s;
    }

    .btn_index:hover {
      background-color: #ff6600;
      transform: scale(1.05);
    }