.quote {
    padding: 20px 120px;
    position:relative;
    z-index:1;
}

.quote:before,
.quote:after {
    content: "";
    background-repeat: no-repeat;
    background-size: cover;
    position: absolute;
    margin: auto;
    font-family: "Font Awesome 5 Free";
    font-size: 90px;
    z-index:-1;
}

.quote:before {
    content: "\f10d";
    font-weight: 900;
    color: #53C9DB;
    top:0px;
    left:10px;
}

.quote:after {
    content: "\f10e";
    font-weight: 900;
    color: #53C9DB;
    bottom:0px;
    right:10px;
}