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

/* Bouton menu */
.menu-button {
  display: none;
  cursor: pointer;
  padding: 10px 15px;
  background: #333;
  color: #fff;
  font-size: 18px;
  border: none;
}

/* Conteneur nav */
.flexnav {
  background: #222;
}

.flexnav ul {
  list-style: none;
}

.flexnav > ul > li {
  display: inline-block;
  position: relative;
}

.flexnav > ul > li a {
  display: block;
  padding: 15px 20px;
  color: #fff;
  text-decoration: none;
}

.flexnav > ul > li a:hover {
  background: #444;
}

/* Sous-menus */
.flexnav li ul {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #333;
  min-width: 180px;
  z-index: 999;
}

.flexnav li ul.flexnav-show {
  display: block;
}

.flexnav li ul li a {
  padding: 10px 15px;
  color: #fff;
}

.flexnav li ul li a:hover {
  background: #555;
}

/* Mode Mobile */
@media (max-width: 768px) {
  .menu-button {
    display: block;
    width: 100%;
    text-align: left;
  }

  .flexnav {
    display: none;
  }

  .flexnav.flexnav-show {
    display: block;
  }

  .flexnav > ul > li {
    display: block;
    border-top: 1px solid #444;
  }

  .flexnav li ul {
    position: static;
    background: #444;
  }

  .flexnav li ul li a {
    padding-left: 30px;
  }
}