JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Hello</h1>

        <div class="form-group col-sm-2" id="contain-word-div">
            <label id="contain-word-lab" for="contain-word2">I want this shown at bottom with 5px margin: </label>
        </div>

CSS

#contain-word {
  width: 100%;
}
    
#contain-word-div {
  height: 100px;
    border:2px solid;
}
#contain-word-lab {
   bottom:2px;
    position:absolute;
}