JSFiddle - React, Tailwind, and code Playground

HTML

<div class='wrap'>
  <div class='inner'>
    <div class='left'>
      <p>Lorem Ipsum <br>Lorem ipsum dolor</p>
      <div class='arrow-left'></div>      
    </div>
    <div class='right'><p>Lorem Ipsum is placeholder text commonly used in the graphic, print, and publishing industries for previewing layouts and visual mockups.</p></div>
    <div class='border'></div>
  </div>
</div>

CSS

* {
  box-sizing: border-box;
}

body {
  background: #ccc;
  margin: 0;
  padding: 0;
}

 p {
   margin: 0;
   text-align: center;
   position: relative;
   top: 50%;
   transform: translateY(-50%);
 }

.wrap {
  margin: 50px auto;
  width: 500px;
}

.inner {
  position: relative;
  height: 100px;
  width: 100%;
}

.left {
  float: left;
  background: #fff;
  height: 100px;
  position: relative;
  width: 30%;
}

.right {
  float: left;
  background: #4c4c4c;
  height: 100px;
  padding: 0 40px;
  width: 70%;
}

.border {
  border: 1px solid yellow;
  border-style: dashed;
  position: absolute;
  top: 0;
  left: 0;
  width: 96%;
  height: 80px;
  top: 50%;
  transform: translateY(-50%);
  right: 0;
  margin: 0 auto;
}

.arrow-left {
  width: 0px;
  height: 0px;
  position: absolute;
  top: 0;
  right: -10px;
  border-top: 50px solid transparent;
  border-bottom: 50px solid transparent;
  border-left: 10px solid #fff;
}