JSFiddle - React, Tailwind, and code Playground

by Manna

HTML

<body>
  <div id="wrap">
    <div id="ribbon">dddddddd<div id="left"></div><div id="right"></div></div>
    <div id="page"></div>
  </div>
</body>

CSS

.  body{
    background-color: #d2d2d2; 
  }
  #wrap{
    width: 260px;
    margin: 0 auto;
    position: relative;
  }
  #page{
    height: 2000px;
    background-color: #ddd;
    color: red;
  }
  #ribbon{
    background-color: #00ff00;
    display: block;
    height: 50px;
    width: 280px;
    position: absolute;
    top: 50px;
    right: -10px;
    color: red;
    text-align: left;
  }

  #right{
    border-color: transparent transparent transparent green;
    border-style: solid;
    border-width: 0px 10px 15px 10px;
    width: 0px;
    height: 0px;
    display: block;
    position: absolute;
    top: 50px;
    right: -10px;
    color: red;
  }