To customize your Blog Post Hero. Go to Appearance >> Theme Options >> Blog >> Blog Post Hero .
Hero Background Color – If you currently do not have Hero image set, this will automatically be set as your hero background.
Use Featured Image as Hero Image – This is one feature that we do not have on homepage hero. By default, it is set to YES. To add a featured image on your blog post, edit your specific post
If you set this option to NO, your featured image will only display on your post content below your hero image .
You can then set your Hero Background Image, Hero Image Overlay Color, Hero Text Color and Hero Size . You can also set this option on specific post only
If you do not see Custom Theme Options when editing your post, please click the Screen Options at the top right of the page and then check Custom Theme Options