To add/remove bold styling click on B button.
To add/remove italic styling click on I button.
To add/remove underline styling click on U button.
To add/remove hyperlink from the text click on button.
To add and image click on button.
To add meme type e.g. {{dog_meme}} click on
Add Meme button.
To delete image or meme just press delete or backspace on keyboard.
Drag and drop image to change its sequence.