.topbar-wrapper img[alt="Swagger UI"], .topbar-wrapper span {
    visibility: hidden;
}

.swagger-ui .topbar {
    background-color: rgb(45,78,133);
}

body {
    background-image: url('../images/background.png');
}

.topbar-wrapper .link:after {
    background-image: url('../images/logo.png');
    content:"";
    color: #fff;
    background-size: 200px 40px;
    visibility: visible;
    display: block;
    position: absolute;
    width: 200px;
    height: 40px
}