JSFiddle - React, Tailwind, and code Playground

HTML

<nav>
    <a href="#">О компании</a>
    <a href="#">О Команде</a>
    <a href="#">Консалтинг</a>
</nav>

CSS

nav{
    width: 500px;
    margin: 100px auto;
    height: 150px;
    background: url(http://lorempixel.com/500/150);
}
a{
    position: relative;
    display: inline-block;
    padding: 0 15px;
    text-decoration: none;
    font: 1em/40px Tahoma, Arial, Helvetica, sans-serif;
    text-transform: uppercase;
    color: #fff;
    background-image: -webkit-linear-gradient(#ffc10e 1.3%, #feb708 36.9%, #fdb808 37.6%, #fcb608 42.4%, #fdb507 43.8%, #fba600);
    background-image: -moz-linear-gradient(#ffc10e 1.3%, #feb708 36.9%, #fdb808 37.6%, #fcb608 42.4%, #fdb507 43.8%, #fba600);
    background-image: -o-linear-gradient(#ffc10e 1.3%, #feb708 36.9%, #fdb808 37.6%, #fcb608 42.4%, #fdb507 43.8%, #fba600);
    background-image: -ms-linear-gradient(#ffc10e 1.3%, #feb708 36.9%, #fdb808 37.6%, #fcb608 42.4%, #fdb507 43.8%, #fba600);
    background-image: linear-gradient(#ffc10e 1.3%, #feb708 36.9%, #fdb808 37.6%, #fcb608 42.4%, #fdb507 43.8%, #fba600);
}
a:before,
a:after{
    content: "";
    position: absolute;
    left: 0;
    right: 50%;
    top: 100%;
    border-top: 5px solid #fba600;
}
a:after{
    left: 50%;
    right: 0;
    border-right: none;
}
a:hover:before{
    border-right: 5px solid transparent;
}
a:hover:after{
    border-left: 5px solid transparent;
}