JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
    <div id="footer">
        <div class="navbar navbar-fixed-bottom"></div>
        <div id="rodape">Hi-Nutrition 2014</div>
    </div>
</div>

CSS

#container {
    position: relative;
    border:1px solid blue;
    width:100%;
    height:400px;
}
#footer {
  position: absolute;
  border:1px solid red;
  width:100%;
  bottom:0px
}