Itext 7 overriding default margin in pdfHtml

Question

I have html content that has to start at the absolute top left corner of the page. However, the HtmlConverter automatically adds a 0.5in gap from the top and left side of th

Answer 1

You can set the margins of a page through CSS using @page. The following declaration sets all the page-margins to 0, as well as draws a border around paragraphs for visual reference:

@page{
    margin:0pt;
}
p{
    border-left: solid 2pt blue;
    border-top: solid 1pt blue;
    border-bottom: solid 1pt blue;
}

Use the following as input:

    
    
    


    

        
This page should have the margins set at 0
    

And you'll see that the paragraph's border is touching the left side of the page, but not yet the top side. That's because the paragraph has some innate margin as a blockelement as well. Setting this to 0 will do the trick:

p{
    border-left: solid 2pt blue;
    border-top: solid 1pt blue;
    border-bottom: solid 1pt blue;
    margin-top: 0pt;
}

@page{
    margin:0pt;
}

And the output: