body > header::after,
body > #wpwrap::after {
    content: "Testovacia verzia";
    display: inline-block;
    position: fixed;
    bottom:  10px;
    right: 10px;
    z-index: 1000001;
    border-radius: 4px;
    background: #e6af57;
    font-size: 16px;
    padding: 15px;
    color: white;
    box-shadow: 0px 0px 15px rgb(0 0 0 / 50%);
}