JSFiddle - React, Tailwind, and code Playground

HTML

<div class="banner-image">
  <div class="glint">
  
  </div>
</div>

CSS

.glint {
    background: radial-gradient(ellipse at center, rgba(0, 0, 255, 0.4) 0%, rgba(255, 255, 255, 0) 80%, rgba(255, 255, 255, 0) 100%);
    pointer-events: none;
    z-index: 1;
    position: absolute;
    top: -700px;
    left: 250px;
    width: 1300px;
    height: 1060px;
    border-radius: 100%;
}

.banner-image {
    overflow: hidden;
    background-image: url('http://via.placeholder.com/960x361');
    width: 960px;
    height: 361px;
    position: relative;