title: how to change height and width manually of pdf by using html2pdf in php
body: <p>i am using html2pdf to convert html to pdf... actually i have a large size of html container like 12x12in (inches).
  and i have used A4 size for the first time then my html content not showing completely till as per the size (12x12 in) then i have look into your site and i found all paper size here.. thanks for that important info...
  but now, when i have used A3 size i have found, my all html content inside the pdf file....but there are so much space at the bottom of my contents in pdf...
  So i want to know... IS there any way to reduce this space from the pdf or any other way to convert html to pdf with manually defined page height and width...</p>
  
  <p>Thanks in Advance.</p>