Fix player error modal size

client/src/sass/player/offline-notification.scss

@@ -14,9 +14,3 @@ $height: 40px;
   justify-content: center;
   align-items: center;
 }
-
-.vjs-modal-dialog
-.vjs-modal-dialog-content,
-.video-js .vjs-modal-dialog {
-  top: $height;
-}

client/src/sass/player/peertube-skin.scss

@@ -202,6 +202,10 @@ body {
   }
 }
 
+.vjs-modal-dialog-content {
+  padding-top: 40px !important;
+}
+
 // Error display disabled
 .vjs-error:not(.vjs-error-display-enabled) {
   .vjs-custom-error-display {