  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    #id {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: #f9f9f9;
      padding: 40px 20px;
    }

    h1 {
      text-align: center;
      margin-bottom: 40px;
      font-size: 2.5rem;
      color: #333;
    }

    .testimonial-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      max-width: 1200px;
      margin: auto;
    }

    .testimonial {
      background-color: #fff;
      padding: 20px;
      border-radius: 15px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease;
    }

    .testimonial:hover {
      transform: translateY(-5px);
    }

    .profile {
      display: flex;
      align-items: center;
      margin-bottom: 15px;
    }

    .profile img {
      border-radius: 70%;
      width: 60px;
      height: 60px;
      object-fit: cover;
      margin-right: 15px;
    }

    .profile-info {
      display: flex;
      flex-direction: column;
    }

    .profile-info h3 {
      margin: 0;
      font-size: 1.1rem;
      color: #222;
    }

    .profile-info span {
      font-size: 0.9rem;
      color: #777;
    }

    .testimonial p {
      font-size: 1rem;
      color: #555;
      line-height: 1.5;
    }

    @media (max-width: 600px) {
      h1 {
        font-size: 2rem;
      }
    }
  </style>