JSFiddle - React, Tailwind, and code Playground

HTML

<div class="back">
    <div class="container">
        <div class="box-message flow_text flow_three">
             <h3>text</h3>

            <p>text txtegv dsf asd fsda f asdf f as df sadf .</p>
        </div>
        <div class="box-message flow_text flow_two">
             <h3>text</h3>

            <p>text txtegv dsf asd fsda f asdf f as df sadf .</p>
        </div>
    </div>
</div>

CSS

.back {
    height: 85em;
    margin-bottom: 5em;
    background: url(http://kpv.s3.amazonaws.com/static/img/film.jpg) no-repeat;
    background-size: contain;
    color: #ffffff;
    text-shadow: 1px 1px 1px #000000;
}
.box-message {
    max-width: 15em;
    min-height: 10em;
    box-sizing: border-box;
    box-shadow: 1px 0 3px rgba(0, 0, 0, 0.11), -1px 0 3px rgba(0, 0, 0, 0.11);
    background: #fff;
    color:#000;
    padding: 25px 25px 35px 25px;
    position: relative;
}
.flow_three {
    margin-top: 3em;
    margin-left: 5em;
}
.flow_two {
    margin-top: 3em;
    margin-left: 10em;
}
.flow_text h3 {
    color: #1BB366;
    font-size: 20px;
}
.flow_text p {
    font-size: 18px;
    line-height: 25px;
}
.back .container {
    position: relative;
    z-index: 2;
}
.container {
    width: 940px;
}