JSFiddle - React, Tailwind, and code Playground

by justi

HTML

<div class="ribbon1">123</div>

<p class="ribbon">123</p>

CSS

.ribbon1 {
    background: gray;
    height: 80px;
    width: 50px;
    position: relative;
    text-align: center;
    font: 600 16px sans-serif;
    color: #fff;
    line-height: 100px;
    border: 0;
}

.ribbon1:after {
    content: "";
    position: absolute;
    bottom: -28px;
    left: 0;
    height: 0;
    width: 0;
    border: solid 25px gray;
    border-bottom-color: transparent;
}

.ribbon1:hover {
    background: purple;
}

.ribbon1:hover:after {
    border-color: purple;
    border-bottom-color: transparent;
}


.ribbon {
  -webkit-box-sizing: content-box;
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  width: 0;
  height: 100px;
  border: 50px solid #1abc9c;
  border-top: 0 solid;
  border-bottom: 35px solid rgba(0,0,0,0);
  font: normal 100%/normal Arial, Helvetica, sans-serif;
  color: rgba(0,0,0,1);
  -o-text-overflow: clip;
  text-overflow: clip;
}