.boxWrap {
    padding: 30px 15px;
}

.boxContent {
    width: 50%;
    margin: 0 auto;
}
.boxContent h3 {    
    text-align: center;
    text-transform: uppercase;
    margin: 0 auto;
    line-height: 50px;
    height: 95px;
    position:relative;
}

.boxContent h3:after {
    content: '';
    position: absolute;
    top: 50px;
    left: 0;
    bottom: 0;
    right: 0;
    width: auto;
    height: 20px;
    background: url(https://hchchc.dnndev.hctx.net/Portals/hchchc/Images/design.svg) no-repeat;
    margin: 0 auto;
    background-position: top center;
}

@media screen and (max-width: 990px) {
    .boxContent {
        width: 95%;
    }
}

@media screen and (max-width: 480px) {
    .boxContent h3 {   
        font-size: 25px;
    }
    
    .boxContent h3:after {
        height: 15px;
    }
}