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

    body {
      min-height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      background: url(https://cdn-ildmded.nitrocdn.com/xjuJCeOblzJgTyMZXQgtsYQaHcfjXHMh/assets/images/optimized/rev-7551cfd/bluetechestimating.com/wp-content/uploads/2025/01/2147785591.jpg) center/cover no-repeat;
      font-family: sans-serif;
      padding: 20px;
    }

    .main-container {
      width: 100%;
      max-width: 500px;
    }

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

    .image-container img {
      max-width: 150px;
      height: auto;
    }

    .form-container {
      background-color: rgba(255, 255, 255, 0.8);
      padding: 20px;
      border-radius: 10px;
    }
    td {
        padding:3px;
    }
    
    h1,h2,h3,h4,h5,h6 {
        text-align: center;
        margin-bottom: 20px;
    }

    h2 {
      font-size: 1.8rem;
    }

    #unsub-form {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    label {
      text-align: left;
      font-size: 1rem;
    }

    input#email {
      width: 100%;
      height: 40px;
      border-radius: 5px;
      border: none;
      padding: 0 10px;
      font-size: 16px;
    }

    button {
      width: 100%;
      padding: 12px;
      font-weight: 700;
      background-color: #4a82fa;
      color: #fff;
      border: none;
      border-radius: 5px;
      font-size: 16px;
      cursor: pointer;
    }

    .text-danger {
      color: red;
    }

    /* Responsive Adjustments */
    @media (max-width: 600px) {
      h2 {
        font-size: 1.5rem;
      }

      input#email,
      button {
        font-size: 15px;
      }
    }

    @media (max-width: 400px) {
      .form-container {
        padding: 15px;
      }

      h2 {
        font-size: 1.3rem;
      }

      label {
        font-size: 0.95rem;
      }
    }