JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrapper">
    <div class="container">
        <div class="extended"></div>
        <div class="main">
            Cake soufflé jelly beans biscuit ice cream. Cookie icing marshmallow cake marzipan. Donut bear claw candy brownie bonbon toffee soufflé.Carrot cake macaroon chupa chups. Gummi bears liquorice icing chupa chups muffin powder gingerbread sweet roll. Dragée jelly-o applicake tart sweet roll.Tart gummi bears tiramisu tart cookie gummi bears chocolate cake marzipan. Cookie wafer fruitcake candy canes tiramisu cheesecake chocolate cake ice cream toffee. Pudding carrot cake danish gummi bears carrot cake pastry chocolate bar macaroon.Toffee bear claw jelly beans candy candy canes bonbon sugar plum. Tiramisu marshmallow ice cream muffin gingerbread icing cheesecake powder candy. Cookie danish sweet jelly-o brownie sesame snaps.
Chocolate cake pastry jelly lemon drops sesame snaps muffin sweet bonbon. Tootsie roll gummies jujubes sesame snaps candy canes chupa chups. Biscuit apple pie lemon drops tiramisu chocolate cake. Candy biscuit cookie cookie.
        </div>        
    </div>
</div>

CSS

.extended {
    background: green;
    width: 150px;
    float: left;
    height: 100%;
}