JSFiddle - React, Tailwind, and code Playground

HTML

<div id="corpo" class="clearfix">
    <div id="corpo_esquerdo">
        asdss ssssss ssssss ssssssss ss sssssssssssddddd ddddddddd
        ddddddddf asdfasdfasdfasdsdsd asdf asdf sd
        asdss ssssss ssssss ssssssss ss sssssssssssddddd ddddddddd
        ddddddddf asdfasdfasdfasdsdsd asdf asdf sd
    </div>

    <div id="corpo_direito">
        direito sdfasdfasdfasd fasd asfd asdf asdfa sdfa sdf sadf asd
        fasdf asd fasd fasd fasdfa sdfa
    </div>

</div>

CSS

#corpo {
    border: 5px #ffe4c4 solid;
    width: 980px;
    margin: -30px auto;
    background-color: #f5f5f5;
    border-radius: 5px;
    padding: 15px;
    color: #a8a8a8;
    font-size: 20px;
}


/* For modern browsers */
.clearfix:before,
.clearfix:after {
    content:"";
    display:table;
}
.clearfix:after {
    clear:both;
}
/* For IE 6/7 (trigger hasLayout) */
.clearfix {
    zoom:1;
}


#corpo_esquerdo {
    width: 650px;
    float: left;
    border: #bababa solid 2px;
}
#corpo_direito {
    width: 300px;
    float: right;
    background-color: #bababa;
    border-radius: 5px;
    color: #f5f5f5;
    padding: 5px;
}