.swagger-ui .topbar a img {
    display: none;
}

.swagger-ui .topbar {
    background-color: #fa761e;
    background-image: linear-gradient(to right, #fa6400, #fa761e);
}

    .swagger-ui .topbar a {
        height: 25px;
        background-image: url('../images/logo.svg');
        background-repeat: no-repeat;
    }