Add shortcodes for buttons etc..
https://wordpress.org/plugins/wp-shortcode/
Widgets · WordPress Plugins
Get access to data on 117,043 websites that are WP Shortcode Customers. We know of 12,487 live websites using WP Shortcode and an additional 104,556 sites that used WP Shortcode historically and 7,604 websites in the United States.
Get a list of 117,043 websites using WP Shortcode which includes location information, hosting data, contact details, 12,487 currently live websites and an additional 1,701 domains that redirect to sites in this list. 104,556 sites that used this technology previously and 7,604 websites in the United States currently using WP Shortcode.