diff --git a/app/helpers.php b/app/helpers.php
index 8cebaae..db21b1b 100644
--- a/app/helpers.php
+++ b/app/helpers.php
@@ -13,6 +13,6 @@ function checkHoursDifference($dateStart, $dateEnd) {
     $dateStart = strtotime($dateStart);
     $dateEnd = strtotime($dateEnd);
     $diff = $dateEnd - $dateStart;
-    $hours = floor(($diff / (60*60)));
+    $hours = ($diff / (60*60));
     return $hours;
 }
diff --git a/public/css/map/seatchart-preview.css b/public/css/map/seatchart-preview.css
index 3cd5aa2..178feee 100644
--- a/public/css/map/seatchart-preview.css
+++ b/public/css/map/seatchart-preview.css
@@ -66,7 +66,7 @@ body {
 .seatCharts-cell {
     width: 120px!important;
     height: 120px!important;
-    line-height: 55px!important;
+    line-height: 37px!important;
 }
 .preview-name {
     color: rgba(0,0,0,0.7);