ssb: Add a manual theme color picker.

apps/ssb/tf-tab-connections.js

@@ -1,6 +1,6 @@
 import {LitElement, html} from './lit-all.min.js';
 import * as tfrpc from '/static/tfrpc.js';
-import {styles} from './tf-styles.js';
+import {styles, generate_theme} from './tf-styles.js';
 
 class TfTabConnectionsElement extends LitElement {
 	static get properties() {
@@ -251,6 +251,9 @@ class TfTabConnectionsElement extends LitElement {
 	render() {
 		let self = this;
 		return html`
+			<style>
+				${generate_theme()}
+			</style>
 			<div class="w3-container" style="box-sizing: border-box">
 				<h2>New Connection</h2>
 				<textarea class="w3-input w3-theme-d1" id="code"></textarea>