render/base.css

@@ -435,8 +435,11 @@ th.table-sticky {
 .filter {
 	display: block;
 	padding: 10px 4px;
-	font-weight: bold;
 	font-size: 16px;
+	font-weight: bold;
+}
+.filter * {
+	font-weight: normal;
 }
 .mini .filter {
 	font-size: 12px;

render/index.js

@@ -271,6 +271,9 @@ const loadFromLocalStorage = (key, default_option) => {
 	} else
 	if (value === null) {
 		return default_option ? default_option : null;
+	} else
+	if (value === "") {
+		return value;
 	}
 	return parseFloat(value); // fix !!"0" = true
 }