Optimization of the smartphone version and addition of multiple functions

【Contents of fixes and function additions】
■Brush-up and adjustment of the smartphone version design (optimization of image display size, margins, and font size)
■Added fixed footer bar function for smartphones.
■Added the ability to set the header logo (for smartphones) and footer logo (for smartphones).
■Added the ability to set ads for smartphones.
■Added the setting item of the recommended article to the post list screen > quick edit.
■Apply microdata structured markup recommended by google to breadcrumb list code.

The following are the files that have been modified for this update.
【Corrected files】
admin/css/my_admin.css
admin/js/my_script.js
admin/theme-options.php
breadcrumb.php
color/black/color.css
color/blue/color.css
color/green/color.css
color/orange/color.css
color/red/color.css
footer.php
functions.php
functions/head.php
functions/recommend2.php
functions/seo.php
header.php
index.php
js/fixed_ad.js
languages/en.mo
languages/en.po
responsive.css
single.php
style.css
【Added files】
admin/img/accordion_arrow.png
admin/js/cf-media-field.js
color/black/date_m.png
color/blue/date_m.png
color/green/date_m.png
color/orange/date_m.png
color/red/date_m.png
fonts/design_plus.eot
fonts/design_plus.svg
fonts/design_plus.ttf
fonts/design_plus.woff
footer-bar folder
footer-bar/footer-bar.css
footer-bar/footer-bar.js
footer-bar/footer-bar.php
footer-bar/footer-bar2.js
functions/next_prev.php
functions/quick_edit.php
img/common/facebook.png
img/common/line.png
img/common/twitter.png
widget/archive_list.php

For more information, please visit the CUBEY (tcd023) download site for purchasers.