Configure Dropdown Menu:
Login to blogger dashboard --> layout --> Edit HTML. Now scroll down to where you see the codes below:
  • <div class='menu-main-container'>
     <ul class='sf-menu' id='menu-main'>
     <li><a href='#'>Home</a></li>
     <li><a href='#'>Blog</a></li>
      <ul class='sub-menu'>
       <li><a href='#'>Black</a></li>
       <li><a href='#'>Blue</a></li>
     ..........
Now replace "#" with your menu item URL.
Configure Page Navigation Widget:
search for:
  • var posts=12, // Number of posts in each page
        num=2, // Number of buttons will display