Hello,
Is it possible to do in Page "read more" with HTML or CSS code?
I will explain the problem from beginning:
I have a flowers store gallery on each page separately, I should add on each page order form
I want that an order form will be hidden, Only when a person clicks on "read more" the order form opens on the same page.

I tried to do it with the option of WordPress but it does not work and did not appear to me to read more.

my site: http://zerfb.com.preview8.logate.co.il/?page_id=104

thank you.

I want that an order form will be hidden, Only when a person clicks on "read more" the order form opens on the same page.

You might want to look at one of the professional form plugins like 'Gravity Forms' which you could put logic into to handle something like this.

The combination I have used for that is Gravity Forms along with Shortcodes Ultimate which has as one of there shortcodes a "Spoiler". I put the forms shortcode inside the spoiler shortcode which hides the form until click on.

Thank you!!! The Shortcodes Ultimate just excellent!