diff --git a/view/theme/frio/scheme/plusminus.css b/view/theme/frio/scheme/plusminus.css
new file mode 100644
index 0000000000..4c753dd12f
--- /dev/null
+++ b/view/theme/frio/scheme/plusminus.css
@@ -0,0 +1,99 @@
+/*
+    Licence    : AGPL
+
+    Created on : 29.06.2018, 15:03:06
+    Author     : hoergen
+    Color picker   : https://www.w3schools.com/colors/colors_names.asp
+    CSS UTF8 icons : https://www.utf8icons.com 
+
+*/
+
+body {
+    background: url(scheme/plusminus.jpg);
+    background-repeat: no-repeat;
+    background-size: cover;
+    background-attachment: fixed;
+    height: auto;
+}
+
+aside .widget, .form-control, .panel, .nav-container, .wall-item-content, .e-content, .p-name, .topbar, post, shiny, tread-wrapper, #topbar-second  {
+    color: #000;
+    background-color: #f5f5f5;
+}
+
+.form-control {	
+    font-family: ".SFNSText-Regular","San Francisco","Roboto","Segoe UI","Helvetica Neue","Lucida Grande",Helvetica,Arial,sans-serif;
+}
+
+#topbar-first #nav-notifications-menu li.notify-unseen {
+
+    border-left: 3px solid #f3fcfd;
+    background-color: antiquewhite;
+}
+
+.birthday-notice {
+    background-color:#cc0000;
+    color: white;
+}
+
+#birthday-title {
+    background-color:#ff0000;
+    color: white;
+    text-indent: 6px;
+}
+
+.birthday-list:before {
+    content: "\1F382 ";
+}
+
+.birthday-list{
+    margin: 1px;
+    color: black;
+    background-color: yellow;
+    text-indent: 10px;
+    border-radius: 5px;
+}
+
+#event-notice{
+    color: white;
+    background-color: #004c5b;
+    text-indent: 2px;
+}
+
+#event-title{
+    color: whitesmoke;
+    background-color: #006c83;
+    text-indent: 6px;
+}
+
+.event-list:before {
+    content: "\1F5D3 ";
+}
+
+.event-list {
+    margin: 1px;
+    color: black;
+    background-color: #00c7f0;
+    text-indent: 10px;
+    border-radius: 5px;
+}
+
+.panel .panel-body {
+    padding-top: 1px;
+    padding-bottom: 1px;
+    padding-left:5px;
+    padding-right:5px;
+    border: 1px;
+}
+
+.wall-item-network {
+    font-size: 12px;
+}
+
+.wall-item-content .clearfix .post .comment-container .well .well-sm .wall-item-body .e-content .p-name .media .comment .wall-item-bottom .wall-item-links .wall-item-tags .wall-item-actions .wall-item-responses #hr {
+    box-sizing: border-box;
+    margin-top: 0px;
+    margin-bottom: 0px;
+    border:0px;
+    padding:0px;
+}
diff --git a/view/theme/frio/scheme/plusminus.jpg b/view/theme/frio/scheme/plusminus.jpg
new file mode 100644
index 0000000000..7d333a2e1d
Binary files /dev/null and b/view/theme/frio/scheme/plusminus.jpg differ
diff --git a/view/theme/frio/scheme/plusminus.php b/view/theme/frio/scheme/plusminus.php
new file mode 100644
index 0000000000..a8ce7af1da
--- /dev/null
+++ b/view/theme/frio/scheme/plusminus.php
@@ -0,0 +1,17 @@
+<?php
+/*
+ * Name: Plusminus
+ * Author: hoergen
+ * 
+ * List here all variables which will get overwritten through this scheme
+ * Overwrites: nav_bg, nav_icon_color, link_color, background_color, contentbg_transp
+ */
+
+        $nav_bg = "#000b95";
+        $nav_icon_color = "#eee";
+        $link_color = "#000b95";
+        //$background_color = "#ededed";
+        //$login_bg_color = "#ededed";
+        $contentbg_transp = 100;
+
+