JSFiddle - React, Tailwind, and code Playground

HTML

<fieldset>
<legend>Сертификаты</legend>
  <img src="http://lorempixel.com/output/city-q-c-320-240-4.jpg" alt="">
  <img src="http://lorempixel.com/output/nightlife-q-c-320-240-2.jpg" alt="">
</fieldset>
<fieldset class>
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quod autem impedit perspiciatis corporis nam fugit iure, rerum voluptatem, explicabo itaque, quo deserunt quisquam ut tempore velit, similique in quasi saepe!</p>
  <input type="text">
  <input type="text">
  <button>SUBMIT</button>
</fieldset>

CSS

fieldset {
  text-align: center;
  border-color: red;
  position: relative;
 }
fieldset img {
  width: 40%;
  height: auto;
}
legend {
  padding: 1em;
}
input {
  margin-bottom: 50px;
}
button {
  display: block;
  height: 20px; 
  width: 100px;
  position: absolute;
  bottom:  -10px;
  left: calc(50% - 50px);
}