@media only screen and (max-width: 900px) {
  .container {
    min-width: 100%;
    max-width: 100%;
  }

  .about {
    padding: 0px 30px;
  }

  .menu {
    top: 30px;
    left: 6%;
  }

  .menu h2 {
    letter-spacing: 2px;
    font-size: 1.2rem;
  }

  /* Styling hamburger menu */

  .hamburger-wrapper {
    width: 50px;
    height: 50px;
    border-radius: 25px;
    top: 25px;
    left: 86%;
  }

  .modal-content {
    width: 80%;
    margin: 40% auto;
  }

  /*-- Header section --*/
  .header {
    height: 90vh;
  }

  .logo-box {
    position: absolute;
    top: 100px;
    left: 50%;
    transform: translate(-50%, 0);
    opacity: 1;
  }

  .logo {
    position: relative;
    height: 150px;
  }

  .text-box {
    top: 45%;
    left: 50%;
    width: 80%;
    margin: auto;
  }

  .heading-primary-main {
    display: block;
    font-size: 30px;
    font-weight: 600;
    letter-spacing: 5px;
  }

  .heading-primary-sub {
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 4px;
    margin: 1rem 0;
  }

  .btn,
  .btn:link,
  .btn:visited {
    padding: 0.5rem 2rem;
  }

  .footer-wrapper .container{
    display:block;
    text-align:center;
  }
}