This will take you to the CSS code on your Blogger template that controls the bullet points. Delete the current shape listed for your bullets and type in the new shape.

Cascading Style Sheets (CSS) give Web developers precise control over a page’s typography and layout. One secret weapon of CSS-based designs is the background property, which adds images and ...

How to Get Rid of Bullets in CSS. By default, when a Web browser displays an unordered list in a Web page, each item in the list has a preceding bullet. This behavior is not always desirable, and ...