blockquote {
    border-left: 4px solid #000000;
    padding: 10px 15px;
    margin: 20px 0;
    color: #333; /* cor do texto */
    font-style: normal;
    background: #f9f9f9;
    font-size: 20px !important;
}

img {
    width: 100% !important;
}

.text-justify {
    text-align: justify !important;
}