Added compare inside with outside sensors; webserver template files

Webserver/scss/_utilities.scss

@@ -0,0 +1,18 @@
+// Additional Text Helper Class
+.smaller {
+  font-size: 0.7rem;
+}
+
+// Helper class for the overflow property
+.o-hidden {
+  overflow: hidden !important;
+}
+
+// Helper classes for z-index
+.z-0 {
+  z-index: 0;
+}
+
+.z-1 {
+  z-index: 1;
+}