JSFiddle - React, Tailwind, and code Playground

by Glynne Turner

HTML

<div class="up">
    <p>some information text goes here<p>
</div>

CSS

.up {
    width: 0px;
    height: 0px;
    border-style: inset;
    border-width: 0 100px 173.2px 100px;
    border-color: transparent transparent #007bff transparent;
    float: left;
    transform:rotate(-45deg);
    -ms-transform:rotate(-45deg);
    -moz-transform:rotate(-45deg);
    -webkit-transform:rotate(-45deg);
    -o-transform:rotate(-45deg);
}

.up p {
    text-align: center;
    top: 80px;
    left: -47px;
    position: relative;
    width: 93px;
    height: 93px;
    margin: 0px;
}