body {
    background-size: cover;
  }

   .header_section {
          background-color: #4b208c;
          padding: 15px 0;
      }

      .header_section .navbar-brand span {
          color: #fff;
          font-size: 1.2em;
          font-weight: bold;
      }

      .navbar-nav .nav-link {
          color: #fff !important;
      }

      .navbar-nav .nav-link:hover {
          color: #ffdd57 !important;
      }   
      .navbar-nav .nav-link:hover {
          color: #ffdd57 !important;
      }
      .img {
          max-width: 100px;
          height: auto;
          border-radius: 50%;
          border: 3px solid #fff;
          box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      }