JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=windows-1252" />
        <link rel="stylesheet" href="style.css" />
        <title>GeneRally HotLap Competition</title>
    </head>
    <body>
        <div id="bloc_page">
            <header>
                <div id="titre_principal">
                    <img src="fonds/logo_GR.jpg" alt="Logo de Generally" id="logo" />
                    <h1>GeneRally HotLap Competition</h1>
                </div>
            </header>
           
            <div id="banniere_image">
                <div id="banniere_description">
                    Organisation, règlements et résultats de compétitions de GeneRally
                </div>
            </div>   
     <div id="menu_nav">
     <li><a href="#">Accueil</a></li>
     <li><a href="#">Règles</a></li>
     <li><a href="#">Type de course</a></li>
     <li><a href="#">Compétitions</a>
     <ul>
     <li><a href="#">Compétition 01</a></li>
     <li><a href="#">Compétition 02</a></li>
     </ul>
     </li>
     <li><a href="#">Palmares</a></li>
     <li><a href="#">Meilleurs temps</a></li>
     </div>
     <div id="section_1">
       <article>
     <h1>Circuit</h1>
     <p align="justified">Lorem ipsum dolor sit amet...
     Vivamus sed libero nec mauris pulvinar facilisis ut non sem...
     Phasellus ligula massa, congue ac vulputate non, dignissim at augue...</p>
       </article>
     </div>
     <div id="section_2">
       <article>
     <h1>Temps</h1>
     <p>Lorem ipsum dolor sit amet...</p>
     <p>Vivamus sed libero nec mauris pulvinar facilisis ut non sem...</p>
     <p>Phasellus ligula massa, congue ac vulputate non, dignissim at augue...</p>
       </article>
     </div>
     <div id="section_3">
       <article>
     <h1>Vidéo</h1>
     <p>Lorem ipsum dolor sit amet...</p>
     <p>Vivamus sed libero nec mauris pulvinar facilisis ut non sem...</p>
     <p>Phasellus ligula massa, congue ac vulputate non, dignissim...

CSS

/* Eléments principaux de la page */
body
{
    background: url('fonds/');
    font-family: verdana, Arial, sans-serif;
    color: #d4b440;
}
#bloc_page
{
    width: 1024px;
    margin: auto;
border-width: thin;
border-style: solid;
border-color: orange;
background-color: #FFCC66;
}
/* Header */
header
{
    /*background: url('images/separateur.png') repeat-x bottom;*/
}
#titre_principal
{
    display: inline-block;
border-width: thin;
border-style: solid;
border-color: orange;
}
#logo,h1
{
    display: inline-block;
    margin-bottom: 0px;
}
/* Bannière */
#banniere_image
{
    margin-top: 15px;
    height: 200px;
    border-radius: 10px;
    background: url('fonds/banniere.jpg') no-repeat;
    position: relative;
    box-shadow: 0px 4px 4px #1c1a19;
    margin-bottom: 25px;
}
#banniere_description
{
    position: absolute;
    bottom: 0;
    border-radius: 0px 0px 5px 5px;
    width: 100%;
    height: 33px;
    padding-top: 15px;
    padding-left: 0px;
    background-color: rgb(24,24,24); /* Pour les anciens navigateurs */
    background-color: rgba(24,24,24,0.8);
    color: #d4b440;
    font-size: 0.8em;
}
#menu_nav,li
{
display: inline-block;
    margin-left: 10px;
border-width: thin;
border-style: solid;
border-color: orange;
}
#section_1
{
width: 1024px;
border-width: thin;
border-style: solid;
border-color: orange;
}
#section_2
{
width: 1024px;
border-width: thin;
border-style: solid;
border-color: orange;
}
#section_3
{
width: 1024px;
border-width: thin;
border-style: solid;
border-color: orange;
}
article
{
border-width: thin;
border-style: solid;
border-color: orange;
}
#pied_page
{
width: 1024px;
border-width: thin;
border-style: solid;
border-color: orange;*/
}
#divers_gauche, #divers_centre, #divers_droite
{
border-width: thin;
border-style: solid;
border-color: green;
width: 33%;
position: relative;
float:left
}
.clear { 
    clear:both;
    overflow:hidden;
    height:0; 
}