JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="main">
        <div id="info">Lorem ipsum dolor Lorem ipsum dolor Lorem ipsum dolor Lorem ipsum dolor</div>
        <div id="content"><img src="image.jpg" />Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... </div>
        <div id="text">Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... Lorem ipsum ... </div>
    </div>
</div>

CSS

.container {
    width: 80%;
    min-width: 760px;
    padding-top: 0;
    margin: 0 auto; 
    background:#3c3c3c;
}
#content {
    float:left;
    width:74%;
    vertical-align: top;
    display: inline-block;
    background:yellow;
    margin-bottom:15px;
}
#info {
    max-width:192px;
    float:right;
    vertical-align: top;
    text-align: left;
    display: inline-block;
    background:blue;
}
#text {
    clear:both;
    margin: 10px auto;
    width: auto;
    display: block;
    text-align: left;
    background:red;
}

JavaScript

$(window).resize(function doSomething() {
    var containerWidth = $('.container').width();
    $('#content').css('width', containerWidth - 200);
});
doSomething();