opcard.html

<div class="opcard">
   <div class="offerrow">
     <img src="https://lsm-public-bucket.s3.amazonaws.com/sfsg/creativesuites/secretsofchristmas/dt_lp/mobilebet_logo.jpg" class="opcardimage">
     <div class="opcardtext">
       <span class="topline offerp">Deposit £15</span><br><span class="midline">  Play with <span class="midLineColor">£45</span></span><br><span class="btmline">  +50 Bonus Spins*</span>
     </div>
  </div>
</div>

style.css

.centralposition {
    width: 100%;
    text-align: center;
}

.opcard {
    text-align: center;
    background: url(https://lsm-public-bucket.s3.amazonaws.com/sfsg/creativesuites/secretsofchristmas/dt_lp/offer_frame.png);
    background-size: cover;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    height: 55vw;
}
.offerrow {
    width: 100%;
    padding-top: 60px;
}