blockquote {
    font-family: "DM Serif Display";
    font-size: 37px;
    line-height: 3rem;
    max-width: 500px;
    padding-left: 50px;
    padding-bottom: 38px;
    border-left: 10px solid #bb1145;
    position: relative;
    color: #273a73;
}

blockquote:after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 300px;
    background-color: #bb1145;
    height: 1px;
}