JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>

<html lang="fr">

<head>
	<meta charset="utf-8">
	<title>Bootstrap1</title>
	<link rel="stylesheet" type="text/css"> 
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<link rel="stylesheet" media="screen and (max-width: 1366px)" type="text/css"/>
	<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">


</head>

<style>


</style>

<body>
<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" fill="currentColor" class="bi bi-calendar-fill" viewBox="0 0 16 16">
  <path d="M10 0a.5.5 0 0 1 .5.5V1h8V.5a.5.5 0 0 1 1 0V1h1a2 2 0 0 1 2 2v11a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2V5h16V4H0V3a2 2 0 0 1 2-2h1V.5a.5.5 0 0 1 .5-.5z"/>
</svg>

<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg width="100%" height="100%" viewBox="0 0 400 400"
     xmlns="http://www.w3.org/2000/svg" version="1.1">

  <path d="M 100 100 L 300 100 L 200 300 z"
        fill="green"width="3" />
</svg>
<svg
  width="250"
  viewBox="0 0 200 85"
  xmlns="http://www.w3.org/2000/svg"
  version="1.1">
  <defs>
    <!-- Filter declaration -->
    <filter
      id="MyFilter"
      filterUnits="userSpaceOnUse"
      x="0"
      y="0"
      width="200"
      height="120">
      <!-- offsetBlur -->
      <feGaussianBlur in="SourceAlpha" stdDeviation="4" result="blur" />
      <feOffset in="blur" dx="4" dy="4" result="offsetBlur" />

      <!-- litPaint -->
      <feSpecularLighting
        in="blur"
        surfaceScale="5"
        specularConstant=".75"
        specularExponent="20"
        lighting-color="#bbbbbb"
        result="specOut">
        <fePointLight x="-5000" y="-10000" z="20000" />
      </feSpecularLighting>
      <feComposite
        in="specOut"
        in2="SourceAlpha"
        operator="in"
       ...