corda-checkers/webapp/src/components/Header.css

.OnlineTgl {
    transform: scale(.5); 
    margin-left: -19px;
}

.app-header {
    display: flex;
}

.app-header nav {
    align-items: center;
    justify-content: center;
    display: flex;
    flex-wrap: wrap;

    padding-top: 10px;
}

.app-header a {
    color: lightgray;
    text-decoration: none;
    transition: .25s ease;
    width: fit-content;

    margin-left: 5px;
    margin-right: 5px; 
    padding: 0.25rem 1rem;
}

.app-header .active {
    color: white;
    border-radius: 2px;
    background-color: cadetblue;
    opacity: 80%;
    padding: 0.25rem 1rem;
}

.app-header a:hover:not(.active) {
    color: cadetblue;

    box-shadow: 0 1.5px 0 0 currentcolor;
}

[data-darkreader-scheme="dark"] .app-header a {
    color: darkslategrey;
}

[data-darkreader-scheme="dark"] .app-header .active {
    color: white;
    box-shadow: 0 1.5px 0 0 currentcolor;
}