JSFiddle - React, Tailwind, and code Playground

HTML

<div class="camera_caption"></div>

CSS

.camera_caption{
    width: 300px;
    height: 80px;
    background: #00a2e8;
    position: relative;
}
.camera_caption:after {
    position: absolute;
    right: -40px;
    content: "";
    width: 0; 
    height: 0; 
    border-top: 40px solid transparent;
    border-bottom: 40px solid transparent;
    border-left: 40px solid #00a2e8;
}