diff --git a/frontend/styles.css b/frontend/styles.css
index 5d8d881..63e8a09 100644
--- a/frontend/styles.css
+++ b/frontend/styles.css
@@ -630,14 +630,14 @@ code {
 
 .leaflet-popup-content-wrapper {
   background-color: #0b0d10;
-  border: #7d310a solid 1px;
+  border: 1px solid #7d310a;
   box-shadow: 0 3px 14px rgba(0, 0, 0, 0.4);
   color: #808080;
 }
 
 .leaflet-popup-tip {
   background-color: #0b0d10;
-  border: #7d310a solid 1px;
+  border: 1px solid #7d310a;
 }
 
 /* The style for the top right map control container. */