diff --git a/mamweb/static/css/rozliseni.css b/mamweb/static/css/rozliseni.css
new file mode 100644
index 00000000..93c11668
--- /dev/null
+++ b/mamweb/static/css/rozliseni.css
@@ -0,0 +1,20 @@
+/**** ROZLIŠENÍ MEZI LOKÁLNÍM, TESTOVACÍM A PRODUKČNÍM WEBEM ****/
+body.localweb, body.testweb, body.suprodweb {
+	&:before, &:after {
+		content: "";
+		position: fixed;
+		width: 20px;
+		height: 100%;
+		top: 0;
+		z-index: -1000;
+		opacity: 0.7;
+	}
+
+	&:before { left: 0; }
+	&:after { right: 0; }
+}
+
+body.localweb { &:before, &:after { background: greenyellow; } }
+body.testweb { &:before, &:after { background: darkorange; } }
+body.suprodweb { &:before, &:after { background: red; } }
+/****************************************************************/