[sovit ranjitkar]

@gassho, To reduce font size for post titles back and forward on permalink pages Go to Appearance -> Theme Option -> Design Option Tab -> Custom CSS and paste the following CSS code:

.entry-meta, #content ul.default-wp-page {
    font-size: 13px;
}

Note: Change above digit value accordingly to your needs.

Now, Click on Save All Changes Button and Refresh your browser.

Thank you for using our theme.