Header image and invoice not fit in a4 page

Hi All
my erpnext version is 13
i am uploading header and footer image for my invoice but i am facing issue with image width

i wnat remove side blank space and fit my header image in full width any option available please help me

@Shiraz_KI ,

Please apply this code to your HTML Block.

    .print-format table, .print-format tr, 
    .print-format td, .print-format div, .print-format p {
        font-family: Monospace;
        line-height: 100%;
        vertical-align: middle;
    @media screen {
        .print-format {
            width: 33.6in;
            padding: 0.25in;
            min-height: 48.7;
            margin-top: 5mm;
            margin-left: 5mm;
            margin-right: 5mm;
            margin-bottom: 0mm;

How did you create qr barcode?

it’s available with saudi ksa region

Hi Thanks for your reply
for header and footer no html block available just i am using default header image options only