form {
    margin-top: 30px;
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    grid-gap: 30px 20px;
  }

  form input,
  form textarea {
    border: 0px;
  }

  .input1 {
    width: calc(50% - 10px);
    height: 50px;
    background: #f5f5f5;
    outline: none;
    padding-left: 15px;
  }

  .input2 {
    width: 100%;
    height: 200px;
    background: #f5f5f5;
    padding: 15px;
  }

  .captcha {
    width: calc(50% - 10px);
    position: relative;
    height: 50px;
    display: flex;
    grid-gap: 20px;
  }

  .captcha input {
    width: calc(100% - 180px);
    height: 100%;
    padding-left: 15px;
    background: #f5f5f5;
    outline: none;
  }

  .captcha img {
    background: #f5f5f5;
    width: 160px;
    height: 100%;
  }

  .input4 {
    width: 15%;
    min-width: 180px;
    height: 50px;
    background: #C60202;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    grid-gap: 15px;
    color: #fff;
    text-align: center;
    font-size: 20px;
    border: 0px;
  }

  @media (max-width: 900px) {
    form {
      grid-gap: 20px;
    }

    .captcha {
      width: 60%;
    }

  }

  @media (max-width: 600px) {
    form {
      grid-gap: 10px;
    }

    .captcha {
      width: 100%;
    }

    .input1 {
      width: 100%;
    }

  }