#header-city-span {
    cursor: pointer; text-decoration: underline;
}

#header-city-input {
}

#header-city-input:not(.active), #header-city-span:not(.active) {
    visibility: hidden;
    display: none;
}

#header-city-input.active, #hedaer-city-span.active {
    visibility: visible;
    display: inline;
}