HTML Element consisting <p> block element displays long text without wrapping

I'm using TIB_js-studiocomm_6.20.0_windows_x86_64. I use html element from palette to display the data (with <p> block element and image) stored in the database. I encounter a problem when reviewing my report, the text in a <p> block will be displayed in one line, and the text will become smaller and smaller when the text is too long. I want the text to be displayed properly, but I don't know where to set to wrap the content when using html element. 

I also consider using scriptlet, but I have no idea how to use it to style the html element to display text and image properly.