JSFiddle - React, Tailwind, and code Playground

HTML

<section>
    <div class="container">
      <div class="block">
        <header class="__head">
          <h2>Моё удостоверение и дипломы</h2>
        </header>
        <aricle class="__main">
          <a class="__link" href="http://sushimama.ru/img/document1.webp">
            <img src="http://sushimama.ru/img/document1.webp" alt="">
          </a>
          <a class="__link" href="http://sushimama.ru/img/document2.webp">
            <img src="http://sushimama.ru/img/document2.webp" alt="">
          </a>
          <a class="__link" href="http://sushimama.ru/img/document3.webp">
            <img src="http://sushimama.ru/img/document3.webp" alt="">
          </a>
          <a class="__link" href="http://sushimama.ru/img/document4.webp">
            <img src="http://sushimama.ru/img/document4.webp" alt="">
          </a>
          </figure>
      </div>
    </div>
  </section>

SCSS

$gap: 16px;

.container {
  width: 100%;
  max-width: 1280px;

  margin: 0 auto;
  padding: $gap;
}

.block {

  .__main {
    display: flex;
    align-items: center;
    flex-flow: row wrap;

    margin: -($gap/2);
  }

  .__head {
    font-size: 32px;
    margin: 0 0 ($gap*1.5);
  }

  .__main {}

  .__link {
    display: flex;
    align-items: center;
    justify-content: center;

    place-self: stretch;

    flex: 1 1 10%;
    margin: $gap/2;

    padding: $gap;

    border: 1px solid red;
    background: #ff555;

    img {
      object-position: center;
      /* width: 50%; */
      object-fit: contain;
    }
  }
}