JSFiddle - React, Tailwind, and code Playground

by Kocsten

HTML

<ul class="gulposamikan">
  <li><a href="#">Главная</a></li>
  <li>
    <a href="#">zornet.ru</a>
    <ul class="tsakolpmerun">
      <li><a href="#">Стили</a></li>
      <li><a href="#">шаблоны</a></li>
      <li><a href="#">скрипты</a></li>
      <li><a href="#">Дизайн</a></li>
    </ul>
  </li>
  <li><a href="#">Скрипты</a></li>
  <li><a href="#">ШАБЛОН</a></li>
</ul>

CSS

.gulposamikan {
    list-style: none;
    width: 795px;
    width: -moz-fit-content;
    width: -webkit-fit-content;
    width: fit-content;
}
.gulposamikan > li {
    background: #242e38;
    float: left;
    position: relative;
    -webkit-transform: skewX(25deg);
}
.gulposamikan a {
    display: block;
    color: #d2cdcd;
    text-transform: uppercase;
    text-decoration: none;
    font-family: Arial, Helvetica;
    font-size: 13px;
}
.gulposamikan li:hover {
  background: #b12e05;
}
.gulposamikan > li > a {
  -webkit-transform: skewX(-25deg);
  padding: 1em 3em;
}
/* Dropdown */
.tsakolpmerun {
  position: absolute;
  width: 198px;
  left: 49.7%;
  margin-left: -100px;
  -webkit-transform: skewX(-25deg);
  -webkit-transform-origin: left top;
}
.tsakolpmerun li {
  background-color: #2e3f50;
  position: relative;
  overflow: hidden;
}
.tsakolpmerun > li > a {
  padding: 1em 3em;
}
.tsakolpmerun > li::after {
  content:'';
  position: absolute;
  top: -124%;
  height: 100%;
  width: 100%;
  box-shadow: 0 0 50px rgba(0, 0, 0, .9);
}
/* Odd stuff */
.tsakolpmerun > li:nth-child(odd) {
  -webkit-transform: skewX(-25deg) translateX(0);
}
.tsakolpmerun > li:nth-child(odd) > a {
  -webkit-transform: skewX(25deg);
}
.tsakolpmerun > li:nth-child(odd)::after {
  right: -50%;
  -webkit-transform: skewX(-25deg) rotate(3deg);
}
/* Even stuff */
.tsakolpmerun > li:nth-child(even) {
  -webkit-transform: skewX(25deg) translateX(0);
}
.tsakolpmerun > li:nth-child(even) > a {
  -webkit-transform: skewX(-25deg);
}
.tsakolpmerun > li:nth-child(even)::after {
  left: -50%;
  -webkit-transform: skewX(25deg) rotate(3deg);
}
/* Show dropdown */
.tsakolpmerun, .tsakolpmerun li {
  opacity: 0;
  visibility: hidden;
}
.tsakolpmerun li {
  transition: .2s ease -webkit-transform;
}
.gulposamikan > li:hover .tsakolpmerun, .gulposamikan > li:hover .tsakolpmerun li {
  opacity: 1;
  visibility: visible;
}
.gulposamikan > li:hover .tsakolpmerun li:nth-child(even) {
  -webkit-transform:...