JSFiddle - React, Tailwind, and code Playground

HTML

<nav class="header-menu">
	    		<ul>
	    			<li class="header-menu-list"><a href="#">Гороскоп<span class="arrow"></span></a></li>
	    			<li class="header-menu-list"><a href="#">Гадания<span class="arrow"></span></a></li>
	    			<li class="header-menu-list"><a href="#">Тесты<span class="arrow"></span></a></li>
	    			<li class="header-menu-list"><a href="#">Психология<span class="arrow"></span></a></li>
	    			<li class="header-menu-list"><a href="#">Любовь<span class="arrow"></span></a></li>
	    			<li class="header-menu-list"><a href="#">Обо всем<span class="arrow"></span></a></li>
	    			<li class="header-menu-list"><a href="#">Обо мне<span class="arrow"></span></a></li>
	    			<li class="header-menu-list"><a href="#">Эксперты<span class="arrow"></span></a></li>
	    			<li class="header-menu-list last"><a href="#">Фото статьи</a></li>
	    		</ul>
	    		<div class="header-menu_border-l"></div>
	    		<div class="header-menu_border-r"></div>
	    		<div class="header-menu_shadow"></div>
	    	</nav>

CSS

.header-menu {
		position: relative;
		width: 1000px;
		height: 47px;
		clear: both;
        background: grey;
	}
	.header-menu ul { 
		width: 1000px;
		height: 47px;
        list-style: none;
        padding: 0;
        margin: 0;
		font-family: Arial, Helvetica, sans-serif;
		font-size: 15px;
	}
		.header-menu-list {
		    float: left;
			text-transform: uppercase;
			height: 47px;
		}
			.header-menu-list a {
				position: relative;
				display: block;
				color: #4b4b4b;
				height: 47px;
				line-height: 47px;
				padding: 0 18px 0 10px;
				text-shadow: #fff 0 1px 1px;
				background: red;
				text-align: center;
				text-decoration: none;
				margin-left: 2px;
			}
				.header-menu-list a:hover { background: pink; }
				.header-menu-list .arrow {
					position: absolute;
					width: 7px;
					height: 5px;
					top: 22px;
					right: 9px;
					background: black;
				}
		.header-menu-list.last {
			width: 151px;
		}
			.header-menu-list.last a {
				background: yellow;
				color: #fff;
				text-shadow: #4b4b4b 0 1px 1px;
				width: 123px;
			}