diff --git a/gestion/static/css/main.css b/gestion/static/css/main.css
index 9508abe..a2f43c3 100644
--- a/gestion/static/css/main.css
+++ b/gestion/static/css/main.css
@@ -3674,3 +3674,48 @@ div.spoiler
   max-width:100%;
   max-height:100%;
 }
+
+/* class to add colorful rainbowed texts */
+.ernestocouleur {
+	background-clip: text;
+	-webkit-background-clip: text;
+	background-image: linear-gradient(to right,
+		hsl(0, 100%, 50%),
+		hsl(10, 100%, 50%),
+		hsl(20, 100%, 50%),
+		hsl(30, 100%, 50%),
+		hsl(40, 100%, 50%),
+		hsl(50, 100%, 50%),
+		hsl(60, 100%, 50%),
+		hsl(70, 100%, 50%),
+		hsl(80, 100%, 50%),
+		hsl(90, 100%, 50%),
+		hsl(100, 100%, 50%),
+		hsl(110, 100%, 50%),
+		hsl(120, 100%, 50%),
+		hsl(130, 100%, 50%),
+		hsl(140, 100%, 50%),
+		hsl(150, 100%, 50%),
+		hsl(160, 100%, 50%),
+		hsl(170, 100%, 50%),
+		hsl(180, 100%, 50%),
+		hsl(190, 100%, 50%),
+		hsl(200, 100%, 50%),
+		hsl(210, 100%, 50%),
+		hsl(220, 100%, 50%),
+		hsl(230, 100%, 50%),
+		hsl(240, 100%, 50%),
+		hsl(250, 100%, 50%),
+		hsl(260, 100%, 50%),
+		hsl(270, 100%, 50%),
+		hsl(280, 100%, 50%),
+		hsl(290, 100%, 50%),
+		hsl(300, 100%, 50%),
+		hsl(310, 100%, 50%),
+		hsl(320, 100%, 50%),
+		hsl(330, 100%, 50%),
+		hsl(340, 100%, 50%),
+		hsl(350, 100%, 50%),
+		hsl(360, 100%, 50%)
+	);
+	color: transparent;