Modification of top page grid content

【Contents of the fix】
■Corrected a bug in which set links were overlapped for a few seconds when displaying grid contents on the top page.

The following are the files that have been modified for this update.
【Corrected files】
functions/head.php
js/freewall.js
style.css

For more information, please visit the VENUS (tcd038) download site for purchasers.