/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* NAVIGATION */
nav {
  background: #292929;
  font-family: Arial, sans-serif;
}

/* MAIN MENU */
[role="menubar"] {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
}

/* LINKS + BUTTONS */
a,
.menu-btn {
  display: block;
  padding: 14px 18px;
  color: #fff;
  text-decoration: none;
  background: none;
  border: none;
  font-size: 16px;
  cursor: pointer;
}

/* HOVER + FOCUS (VERY IMPORTANT FOR BLIND USERS) */
a:hover,
a:focus,
.menu-btn:hover,
.menu-btn:focus {
  background: #636262;
  outline: 3px solid #636262;
  outline-offset: 2px;
}

/* SUBMENU */
.submenu {
  display: none;
  position: absolute;
  background: #636262;
  min-width: 240px;
  list-style: none;
  z-index: 999;
}

/* SHOW ON HOVER */
li:hover > .submenu {
  display: block;
}

/* SHOW FOR KEYBOARD USERS (JAWS FRIENDLY) */
li:focus-within > .submenu {
  display: block;
}

/* SUBMENU LINKS */
.submenu a {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

/* SUBMENU HOVER */
.submenu a:hover,
.submenu a:focus {
  background: #636262;
}

/* MOBILE RESPONSIVE */
@media (max-width: 768px) {
  [role="menubar"] {
    flex-direction: column;
  }

  .submenu {
    position: static;
  }
}