Dark tabs in terminator

gtk.css

.terminator-terminal-window .notebook tab {
    background-color: #222;
    padding: 0.2em;
    border: 0;
    border-color: #444;
    border-style: solid;
    border-width: 1px;
}

.terminator-terminal-window .notebook tab:active {
    background-color: #000;
}

.terminator-terminal-window .notebook tab .label {
    color: #ddd;
}

.terminator-terminal-window .notebook tab .active-page .label {
    color: #76C802;
    font-weight: 500;
}

.terminator-terminal-window .notebook tab .button {
    padding: 0;
    background-color: transparent;
    color: #ccc;
}

.terminator-terminal-window .notebook.header {
    background-color: #444;
}

.terminator-terminal-window .notebook tab .button:hover {
  background-image: linear-gradient(to bottom, #000);
  border: 0;
  border-color: #444;
  border-style: solid;
  border-width: 1px;
}