Two row display for the url bar results in Firefox

urlbarTweaks.css

.urlbarView-row-inner, .urlbarView-url {
    display: block !important;
}

.urlbarView-url {
    padding-left: 38px;
    margin-top: 3px;
    margin-left: 0px !important;
}

/* Hide the separator in regular rows */
.urlbarView-row:not([type="switchtab"])[has-url=""] .urlbarView-title-separator {
    display: none;
}

/* Bring back the url for the switchtab entries */
.urlbarView-row[type="switchtab"] .urlbarView-url {
    visibility: visible !important;
}

userChrome.css

@import url("urlbarTweaks.css");