JSFiddle - React, Tailwind, and code Playground

HTML

<a href="http://www.google.com" class="btn">Some button 123</button>

CSS

.btn {
    position: relative;
    background: #c2e1f5;
    border: 10px solid #c2e1f5;
    margin-left: 20px;
}

.btn:before, .btn:after {
    top: 50%;
    border: transparent solid;
    content: " ";
    height: 0;
    width: 0;
    position: absolute;
    pointer-events: none;
    border-color: rgba(194, 225, 245, 0);
    border-width: 20px;
    margin-top: -20px;
}

.btn:before {
    left: -50px;
    border-right-color: #c2e1f5;
}

.btn:after {
    left: 100%;
    border-left-color: #c2e1f5;
    margin-left: 0px;
}