JSFiddle - React, Tailwind, and code Playground

HTML

<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js"></script>

<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>






<div class="marketing-main-page-content-FAQ">
            <div class="marketing-main-page-content-FAQ_header">
                <h5>Faq</h5>
                <p>Lorem ipsum dolor sit amet, vidit mundi gubergren ne usu, porro evertitur vix et.
.</p>
            </div>
            <div class="marketing-main-page-content-FAQ_pytanie">
                <div class="marketing-main-page-content-FAQ_pytanie-card card-0 card">

                    <a class="pytania" data-toggle="collapse" href="#test-block0" aria-expanded="true" aria-controls="test-block0">
                        Demo1
                    </a>
                    <div id="test-block0" class="collapse">
                        <div class="card-block">
                            Po kliknięciu w pytanie rozwija się dropdown z odpowiedzią na pytanie, jak klikniemy na
                            inne to się zwija. Najlepiej, żeby były to max. 2 zdania.
                        </div>
                    </div>
                </div>

                <div class="marketing-main-page-content-FAQ_pytanie-card card-0 card">
                    <a class="pytania" data-toggle="collapse" href="#test-block1" aria-expanded="true" aria-controls="test-block2">
                         Demo1
                    </a>
                    <div id="test-block1" class="collapse">
                        <div class="card-block">
                            Po kliknięciu w pytanie rozwija się dropdown z odpowiedzią na pytanie, jak...

CSS

.marketing-main-page-content-FAQ {
    /* margin-top: 80px; */
    padding: 231px 0px;
    background-image: url(https://svgshare.com/i/8K7.svg);
    background-repeat: no-repeat;
    background-size: 150vw;
    background-position: right 0;
}
.marketing-main-page-content-FAQ_pytanie {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.marketing-main-page-content-FAQ_pytanie-card {
    width: 536px;
    height: 132px;
    font-family: Roboto;
    margin-top: 20px;
    font-size: 25px;
    text-align: center;
    vertical-align: middle;
    display: table-cell;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 41px;
}
.marketing-main-page-content-FAQ_pytanie {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.marketing-main-page-content-FAQ_header p {
    width: 451px;
    height: 184px;
    font-size: 35px;
    font-family: Roboto;
    color: #707070;
}
.marketing-main-page-content-FAQ_header {
    margin-left: 40px;
}