Slightly tweak navbar CSS

public/css/style-night.css

@@ -162,3 +162,7 @@ div.container div.blockBody:nth-of-type(2) table tr:first-of-type th:last-of-typ
     	    background-size: 75px, 100px;
 	}
 }
+
+.navbar {
+    border-radius: 0px;
+}

public/css/style.css

@@ -173,3 +173,8 @@ div.container div.blockBody:nth-of-type(2) table tr:first-of-type th:last-of-typ
 	max-width: 100%;
 	max-height: 80vh;
 }
+
+/* the curved edges triggered my autism */
+.navbar {
+    border-radius: 0px;
+}