JSFiddle - React, Tailwind, and code Playground

HTML

<div class="contain">
texte
<br><br>
<table>
<tr>
<td>
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
</td>
</tr>
</table>
</div>

CSS

html {
  margin: 0;
  padding: 0;
}

body {
background-image: url("seasideT.jpg");
background-attachment:fixed; 
background-repeat:no-repeat;
background-position:top,center;
background-size:100% 100%;
margin:0;
padding:0;
}

.contain {
width:800px;
padding:0 15px 20px 15px;
background-color: rgba(255,255,255,0.7);
margin-left:auto;
margin-right:auto;
text-align:justify;
vertical-align:top;
}