<div class="hero">
    <img class="hero__img" src="http://images.vfl.ru/ii/1568893523/c9258e21/27915042.jpg" alt="">
    <div class="hero__container">
        <div class="hero__description">
            <h1 class="hero__title">Become an outstanding List</h1>
            <h3 class="hero__subtitle">Through one of our training programs at MSCoL</h3>
            <a href="/" class="hero__button hero__button--desktop">Join the team</a>
        </div>
    </div>
</div>
<section class="not-hero">
    <a href="/" class="hero__button hero__button--mobile">Join the team</a>
</section>

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.hero {
    position: relative;
}

.hero__container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 100px 20px 50px;
}

.hero__img {
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;

    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 70%;
}

.hero__button {
    display: inline-block;
    padding: 10px;

    color: #fff;
    
    background: #CD3C51;
}

.hero__button--mobile {
    display: none;
}

.not-hero {
    padding: 20px;
}

@media (max-width: 768px) {
    .hero__button--mobile {
        display: block;
    }
    .hero__button--desktop {
        display: none;
    }
}