JSFiddle - React, Tailwind, and code Playground

HTML

<div id="heart">
     <div id="listapost">
       <div id="post">stuff</div>
       <div id="post">stuff</div>
       <div id="post">stuff</div>
     </div>
</div>

CSS

#heart{width:100%;
}

#post{
width:50px;
float:left;
text-align:left;

    margin: 0px auto;

padding:5px;
margin:1px;
font-family:Verdana, Geneva, sans-serif;
font-size:12px;
color:#605f5f;
background-color:#f7f6f6;
    
}

#listapost{display:table;
margin:0px auto;}