Custom Block customization

Software Support
1

OJS 3.1.14
Theme: manuscript child theme
I want my custom block (Editorial Policies) to appear in the default block style like Information block as you can see in the screenshot.
58.

I believe all the custom blocks should appear by default in the generic theme style. But in my case, it is appearing differently. Please help me to fix this.
Thanks

3

Done, problem solved.

4

Please explain how to solve the problem, to help other people at the same problem as yours.

5

I set the margin to zero with the following code
<div style="margin: 0px 0px 0px 0px;"><span class="title">EDITORIAL POLICIES</span>