Fix medium zoom on small devices (alshedivat#1084)

fixes alshedivat#1006

Author: rohandebsarkar

_config.yml

@@ -350,5 +350,5 @@ mdb:
     css: "sha256-jpjYvU3G3N6nrrBwXJoVEYI/0zw8htfFnhT9ljN3JJw="
     js: "sha256-NdbiivsvWt7VYCt6hYNT3h/th9vSTL4EDWeGs5SN3DA="
 medium_zoom:
-  version: "1.0.6"
+  version: "1.0.8"
   integrity: "sha256-EdPgYcPk/IIrw7FYeuJQexva49pVRZNmt3LculEr7zM="

assets/js/zoom.js

@@ -1,7 +1,6 @@
 // Initialize medium zoom.
 $(document).ready(function() {
   medium_zoom = mediumZoom('[data-zoomable]', {
-    margin: 100,
     background: getComputedStyle(document.documentElement)
         .getPropertyValue('--global-bg-color') + 'ee',  // + 'ee' for trasparency.
   })