Adjustment of margins around headings and specification change of the number of articles to be displayed

【Contents of the modification】
■Adjustment of margins around headlines
■Changed the specification so that the “Number of articles to be displayed” on the top page can be set to any number.
■Changed the specification so that you can set the “Number of articles to be displayed in the ranking list” to any value.

The following files have been modified for this update.
【Modified files】
admin/inc/front_page.php
functions/page_ranking.php
style.css