Горизонтальное меню Warhammer rip Бармен

<ul class="mainnav is-main">
  <li class="" data-subtitle="Our Worlds">
  <a href="#" class="js-load-ajax-content " data-reload="false">Games</a>
  </li>
  <li class="" data-subtitle="About Us">
  <a href="#" class="js-load-ajax-content">Company</a>
  </li>
  <li class="" data-subtitle="Hub">
  <a href="#" class="js-header-community-link js-load-ajax-content" data-reload="true">Community</a>
  </li>
  <li class="" data-subtitle="Plan">
  <a href="#" class="js-load-ajax-content">Roadmap</a>
  </li>
  <li class="" data-subtitle="Collection">
  <a href="#" class="js-load-ajax-content" data-reload="true">Media</a>
  </li>
  <li class="" data-subtitle="Products">
  <a href="#" class="js-load-ajax-content" data-reload="true">Store</a>
  </li>
</ul>

@import url('https://fonts.googleapis.com/css?family=Roboto&display=swap&subset=cyrillic,cyrillic-ext');
.mainnav.is-main {
  display: none;
}
@media (min-width: 1280px) {
  .mainnav.is-main {
  display: block;
  }
}
.mainnav {
  display: block;
  text-align: center;
  position: static;
  margin: 0;
  padding: 0;
}
.mainnav li {
  display: inline-block;
  list-style: none;
  position: relative;
}
.mainnav li.is-inactive::after {
  display: none !important;
}
.mainnav li.is-inactive::before {
  display: none !important;
}
.mainnav li.is-active a {
  opacity: 1;
}
.mainnav li.is-active::after {
  content: '';
  width: 8px;
  height: 8px;
  border: 1px solid #C39A2A;
  display: inline-block;
  background: transparent;
  -webkit-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
  position: absolute;
  bottom: -4px;
  left: 50%;
  margin-left: -4px;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  opacity: 1;
}
.mainnav li.is-active::before {
  content: attr(data-subtitle);
  position: absolute;
  bottom: 6px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  transform: translateX(-50%);
  font-weight: 400;
  font-size: 12px;
  color: rgba(237, 238, 238, 0.55);
  letter-spacing: 3px;
  white-space: nowrap;
}
.mainnav li.is-active a::before {
  content: '';
  width: -webkit-calc(100% / 2 - 5px);
  width: calc(100% / 2 - 5px);
  height: 1px;
  background: #C39A2A;
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
}
.mainnav li.is-active a::after {
  content: '';
  width: -webkit-calc(100% / 2 - 5px);
  width: calc(100% / 2 - 5px);
  height: 1px;
  background: #C39A2A;
  display: block;
  position: absolute;
  bottom: 0;
  right: 0;
}
.mainnav li::after {
  content: '';
  width: 8px;
  height: 8px;
  border: 1px solid #C39A2A;
  background: #C39A2A;
  display: inline-block;
  -webkit-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
  position: absolute;
  bottom: -4px;
  left: 50%;
  margin-left: -4px;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  opacity: 0;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.mainnav li:hover::after {
  opacity: 1;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.mainnav li.is-active:hover::after {
  background: #C39A2A;
}
.mainnav a {
  display: inline-block;
  line-height: 50px;
  position: relative;
  padding: 0 25px;
  color: #fff;
  font-size: 14px;
  text-transform: uppercase;
  font-weight: 600;
  opacity: 0.55;
  text-decoration: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  font-family: 'Roboto', sans-serif;
  letter-spacing: 1px;
}
@media (min-width: 770px) {
  .mainnav a {
  line-height: 70px;
  font-size: 18px;
  }
}
.mainnav a:hover {
  opacity: 1;
}
.mainnav a.is-inactive {
  line-height: 26px;
  opacity: 0.3;
  cursor: default;
}