Hi,

Thank you for loving our theme.

1/ To do that, please do following steps:

a) Add more this code:

\
<?php if ( ! get_theme_mod( 'penci_grid_comment' ) ) : ?>
 <span><a href="<?php comments_link(); ?> "><i class="fa fa-comment-o"></i><?php comments_number( '0 ' . penci_get_setting( 'penci_trans_comment' ), '1 '. penci_get_setting( 'penci_trans_comment' ), '% ' . penci_get_setting( 'penci_trans_comments' ) ); ?></a></span>
<?php endif; ?>

like on this image.

b) Add more this code to Customize > Custom CSS:

\
.list-post .grid-post-box-meta span a{ color: inherit;  }\
.list-post .grid-post-box-meta span a i{ margin-right: 3px;  }

2/ To do that, please add more this code to Customize > Custom CSS:

\
@media only screen and (min-width: 481px){\
.penci-grid li .item h2 a, .penci-masonry .item-masonry h2 a{ font-size: 24px; }\
}\

Change number 24 to value you want.

3/ You can do that by go to Customize > General Options > and check to "Hide Breadcrumbs"

4/ To do that, please add more this code to Customize > Custom CSS:

\
@media only screen and (min-width: 961px){\
.pencislider-container .pencislider-content .pencislider-title{ font-size: 36px; }\
}\

Change number 36 to value you want.

Best Regards,

PenciDesign