@media (max-width: 600px) {
  #navbar {
    display: flex;
    background-color: black;
    color: aliceblue;
    justify-content: space-between;
    padding: 0.5rem;
    font-size: 1.5rem;
  }

  #navbar ul li a {
    padding: 1rem;
    margin: 0.2rem;
  }

  #navbar ul li a:hover {
    background-color: darkgrey;
    border-radius: 0.2rem;
  }
  /* header */

  #header {
    height: 95.6vh;
  }
  .container {
    max-width: 50rem;
    margin: 0%;
    overflow: hidden;
    padding: 0.8rem;
    margin: auto;
  }

  .h1-content {
    display: flex;
    flex-direction: column;
    height: 86vh;
  }

  .heading {
    font-size: 3rem;
    line-height: 1.3;
    margin-bottom: 1.4rem;
  }

  .para {
    font-size: 1.8rem;
    line-height: 1.2;
    margin-bottom: 1rem;
  }

  .btn {
    padding: 0.8rem 1rem;
    border-radius: 0.5rem;
  }

  /* What */
  #what {
    height: 161vh;
  }
  .boxes {
    display: flex;
    text-align: center;
    flex-direction: column;
  }

  .box {
    padding: 1rem 1rem;
    flex: 1;
  }

  .boxes i {
    padding: 1.5rem;
    border-radius: 50%;
    font-size: 50px;
  }

  .boxes h3 {
    font-size: 25px;
    padding: 1rem;
  }

  .box p {
    font-size: 20px;
  }

  /* Who */
  #who {
    display: flex;
    flex-direction: column;
    height: 185vh;
    margin-top: -23.7rem;
  }

  #who .img {
    padding: 2rem;
    width: 100%;
  }

  #who h1 {
    text-align: center;
    justify-content: center;
  }

  #who .para {
    text-align: center;
    font-size: 20px;
  }

  #who h3 {
    text-align: center;
  }

  /* Client */
  #Client .client {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
  }

  #Client .client img {
    height: 8rem;
  }

  /* Contact */
  #contact {
    display: flex;
    flex-direction: column;
    height: 150vh;
    background-color: burlywood;
    color: aliceblue;
    padding: 2rem;
  }
}