Make a Scrollbar at Your Post

There are ways to save posting space, a place to put ads and others.
 One of them  is  making Scrollbar at the post by the following way :


As usual, please log in to your Blogger  , then click Cutomize, edit HTML, Tick the "Expand Widget Templates" Then Find the following code
]]>:;

Coppy and put this code at the bottom just above the ]]>:

. scrollbox (
height: 150px;
width: 450px;
overflow: auto;
)

Figures 150px and 450px is the size of the scrollbar. You can replace it with the size you want. then save the template

at the time of going to post, put the contents of posts that will be among the scrollbar code and class="scrollbox">