frontend: update example widgets and linked in resources

Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>

frontend/resources/stylesheets/policyholder-check.css

@@ -0,0 +1,53 @@
+* {
+    font-size: 24;
+}
+
+.header {
+    background: #ffffff;
+}
+
+.background {
+    background: #fafafa;
+}
+
+.content {
+    background: #fafafa;
+}
+
+text-box {
+    color: #5b0f22;
+}
+
+text-block {
+    color: #5b0f22;
+}
+
+light-text {
+    color: #dfebf5;
+}
+
+
+/* // Hiedemann blue */
+/* color:  #a5b3bf; */
+/* color: #4d4c4c;  */
+
+/* // Hiedemann red */
+/* color: #5b0f22; */
+
+/* // Hiedemann darkgrey */
+/* color: #879488; */
+
+/* // Hiedemann grey */
+/* color: ##b6c3b7; */
+
+
+
+/* // Qt Green */
+/* color: #41cd52; */
+
+/* // lightgrey */
+/* color: #f0f0f0; */
+
+/* Accent=#5b0f22 */
+/* Foreground=#000000 */
+/* Background=#f0f0f0 */