header {
    z-index: 1000;
}

main {
    margin-top: 81px; /* Adjust margin-top based on header height */
}



.cnx {
  box-shadow: inset 0 0 0 0 #FF752A;
  margin: 0 -.30rem;
  transition: color .3s ease-in-out, box-shadow .3s ease-in-out;
}
.cnx:hover {
  box-shadow: inset 120px 0 0 0 #FF752A;
  color: white;
}