JSFiddle - React, Tailwind, and code Playground

HTML

<h2 class="title-v2 title-center">News</h2>

CSS

h1.title-v2.title-center, h2.title-v2.title-center, h3.title-v2.title-center {
    text-align: center;
}

h2.title-v2 {
    color: #555;
    position: relative;
    margin-bottom: 30px;
}

h1, h2, h3, h4, h5, h6 {
    color: #555;
    margin-top: 5px;
    text-shadow: none;
    font-weight: normal;
    font-family: Roboto;
}

h2 {
    font-size: 24px;
    line-height: 33px;
  }
  
.title-v2::after{
    background: linear-gradient(to right, #bcbcbc 25%,#ffcd02 25%, #ffcd02 50%, #e84f47 50%, #e84f47 75%, #65c1ac 75%);
    position: absolute;
  content: '';
  height: 4px;
  right: 0;
  left: 0;
  bottom: 0;
}