JSFiddle - React, Tailwind, and code Playground

HTML

<section class="section-3">
  <div class="section-3-body">
    <div class="title">
      <h1 class="meet">Testing the Testing</h1>
    </div>
    <div class="grid-container">
      <div class="grid-left column">
        <img src="https://unsplash.it/400">
        <h1 class="name">Testing Names Name</h1>
        <h3 class="testing-2">Testing 2</h3>
        <h3 class="testing-3">Testing 3</h3>
        <h3 class="testing-4">Testing 4</h3>
      </div>
      <div class="grid-center column">
        <img src="https://unsplash.it/400">
        <h1 class="name">Testing Names Name</h1>
        <h3 class="testing-2">Testing 2</h3>
        <h3 class="testing-3">Testing 3</h3>
        <h3 class="testing-4">Testing 4</h3>
      </div>
      <div class="grid-right column">
        <img src="https://unsplash.it/400">
        <h1 class="name">Testing Names Name</h1>
        <h3 class="testing-2">Testing 2</h3>
        <h3 class="testing-3">Testing 3</h3>
        <h3 class="testing-4">Testing 4</h3>
      </div>
    </div>
    <div class="footer">
      <a href="#learn" class="learn-more">Test the button</a>
    </div>
  </div>
</section>

CSS

body {
  margin: 0;
}


img {
  max-width: 100%;
}

ul {
  list-style: none;
}

a:link {
  text-decoration: none;
}


.section-3 {
  background-color: #f1f1f1;
  padding-top: .7em;
  padding-bottom: 2em;
  min-height: 50vh;
  margin: 0 auto;
  border-top: 2px solid teal;
  max-width: 100%;
}

.section-3-body {
  text-align: center;
  max-width: 100%;
}



.section-3 .title .meet {
  color: teal;
  border-top: 2px solid teal;
  border-bottom: 2px solid teal;
  border-radius: 4px;
  padding: .7em;
  display: inline-block;
}



.section-3 .grid-container {
  display: grid;
  grid-gap: 2em;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 15px;
  max-width: 100%;
  overflow: hidden;
  background-color: red; /* demo */
}

.grid-container>div {
  border: 2px solid #123;
  border-radius: 5px;
  background-color: #ffd8a8;
  padding: 1em;
}

.grid-container h1 {
  size: 12px
}

h3+h3 {
  margin: 0;
}

h1+h3 {
  margin: 0;
}

.section-3 .footer {
  margin-top: 30px;
}

.section-3 .footer .learn-more {
  color: teal;
  padding: .7em;
  border-radius: 14px;
  border: 2px solid teal;
  font-size: 20px;
  font-weight: bold;
}

.section-3 .footer .learn-more:hover {
  background-color: teal;
  color: white;
}

@media screen and (max-width:500px) {
  .section-3 .grid-container {
    /* display: grid; */
    grid-template-columns: repeat(1, 1fr);
    grid-gap: 1rem;
    background-color: teal;
  }
}