[Web] Remove top padding on login screen for small devices

data/web/css/site/index.css

@@ -0,0 +1,5 @@
+@media (max-width: 500px) {
+  #top {
+    padding-top: 15px !important;
+  }
+}

data/web/inc/header.inc.php

@@ -26,6 +26,9 @@
     if (preg_match("/debug/i", $_SERVER['REQUEST_URI'])) {
       $css_minifier->add('/web/css/site/debug.css');
     }
+    if ($_SERVER['REQUEST_URI'] == '/') {
+      $css_minifier->add('/web/css/site/index.css');
+    }
   ?>
   <style><?=$css_minifier->minify();?></style>
   <?php if (strtolower(trim($DEFAULT_THEME)) != "lumen"): ?>