Fix header placeholder size

base.css

@@ -77,7 +77,7 @@ header {
 	left: env(titlebar-area-x, 0);
 	top: env(titlebar-area-y, 0);
 	width: env(titlebar-area-width, 100%);
-	height: env(titlebar-area-height, 36px);
+	min-height: env(titlebar-area-height, 36px);
 	-webkit-app-region: drag;
 	app-region: drag;
 
@@ -88,7 +88,9 @@ header {
 }
 
 .header-placeholder {
-	margin-top: env(titlebar-area-height, 36px);
+	box-sizing: border-box;
+	height: max(env(titlebar-area-height, 36px), 42px);
+	margin-bottom: 2px;
 }
 
 header.embedded {

sw.js

@@ -1,4 +1,4 @@
-const VERSION = 'v30'
+const VERSION = 'v31'
 const API_ORIGIN = 'https://scraper.infotren.dcdev.ro/'
 const API_TRAINS = `${API_ORIGIN}v3/trains`
 const API_STATIONS = `${API_ORIGIN}v3/stations`