JSFiddle - React, Tailwind, and code Playground

HTML

<div class="content">content
  <div class="">footer</div>
  <div class="">footer</div>
  <div class="">footer</div>
    <div class="footer">footer</div>
</div>

CSS

div.content{
    border: 1px solid black;
    min-height:550px;
    position: relative;
}
div.footer{
    border: 1px solid red;
    height:20px; 
    color: #999999;
    font-size: 0.9em;
    text-align: right;
    bottom:0;
    right:0;
    position:absolute;
    padding-right: 10px;
    padding-bottom: 10px;
}