JSFiddle - React, Tailwind, and code Playground

HTML

<div class="white-section row">
    <div class="imac col-sm-6">
        <img class="imac-screen img-responsive wow zoomInUp" src="images/research/research1.png">
    </div>
    <!--imac-->

    <div class="col-sm-6">

        <div class="white-section-text">

            <h2 class="imac-section-header light">SIMPLE AND BEAUTIFUL</h2>

            <div class="imac-section-desc">

            <span>  Use Nova theme for your next web project.
                It is completely customizable so you can change any of the sections to fit your needs.
                Nova Theme is Free for any kind of use, personal and commercial. Have fun and good luck!</span>
            </div>
        </div>
    </div>
</div>
<div class="white-section row">
    <div class="col-sm-6">

        <div class="white-section-text">

            <h2 class="imac-section-header light">SIMPLE AND BEAUTIFUL</h2>

            <div class="imac-section-desc">

            <span>  Use Nova theme for your next web project.
                It is completely customizable so you can change any of the sections to fit your needs.
                Nova Theme is Free for any kind of use, personal and commercial. Have fun and good luck!</span>
            </div>
        </div>
    </div>

    <div class="imac col-sm-6">
        <img class="imac-screen img-responsive wow zoomInUp" src="images/research/research1.png">
    </div>
</div>
<div class="white-section row">
    <div class="imac col-sm-6">
        <img class="imac-screen img-responsive wow zoomInUp" src="images/research/research1.png">
    </div>
    <!--imac-->

    <div class="col-sm-6">

        <div class="white-section-text">

            <h2 class="imac-section-header light">SIMPLE AND BEAUTIFUL</h2>

            <div class="imac-section-desc">

            <span>  Use Nova theme for your next web project.
                It is completely customizable so you can change any of the sections to fit your needs.
                Nova Theme is Free for any...

CSS

.white-section {
  background-color: #BBDEFB;
    width: 100%;
    margin: auto;
    overflow: hidden;
    padding-top: 20px;
    padding-bottom: 15px;
}

.white-section-text {
    text-align: center;
}
.imac-section-header {
  padding-top: 22px;
}

.imac-section-desc {
    text-align: center;
    font-weight: 300;
    font-size: 24px;
    line-height: 40px;
    max-width: 400px;
    margin: auto;
    padding-bottom: 40px;
}


.imac-screen {
  margin-top: 35px;
    border-radius: 10px;
  box-shadow:
   0 3px 6px rgba(0, 0, 0, .3),
   -23px 0 20px -23px rgba(0, 0, 0, .8),
   23px 0 20px -23px rgba(0, 0, 0, .8),
   0 0 40px rgba(0, 0, 0, .1) inset;
}