JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <div class="row">
    <div class="col-sm-5"><img src="http://placehold.it/350x500"></div>
    <div class="col-sm-7 row-center">
      <div class="outer">
        <div class="one">some text</div>
        <div class="two">some text</div>
      </div>
    </div>
  </div>
</div>

CSS

.container{
  margin-top: 60px;
}

.outer, .container{
  border: 1px solid #000;
}

.row-center{
  position: unset;
  /* This needs to be 100% height but I can't figure it out */
  /* I added the floats but it didn't help */
  height: 100%;
  float: left;
}

.outer{
  position: absolute;
  float: left;
  top: 50%;
  transform: translateY(-50%);
}

.row{
  position:relative;
}