.nav_menu {
  /*padding-left: 1.25em;*/
  position: relative;
}
.nav_menu:before {
  content: "";
  position: absolute;
  top: 10%;
  left: 10%;
  width: 80%;
  height: 0.3em;
  border-top: 0.8em double #79BE07;
  border-bottom: 0.3em solid #79BE07;
}