Check out example codes for "css style list". It will help you in understanding the concepts better.

Code Example 1

ul.a {
  list-style-type: circle;
}

ul.b {
  list-style-type: square;
}

ol.c {
  list-style-type: upper-roman;
}

ol.d {
  list-style-type: lower-alpha;
}

Code Example 2

<ul style="list-style-type:none">
	<li></li>
    <li></li>
</ul>

Code Example 3

ul.a {
  list-style-type: circle;
}

ul.b {
  list-style-type: square;
}

ol.c {
  list-style-type: upper-roman;
}

ol.d {
  list-style-type: lower-alpha;
}

Code Example 4

Specify all the list properties in one declaration:

 ul
 {

   list-style: square inside url("sqpurple.gif");

 }
 
The list-style property is a shorthand for the following properties:

  list-style-type
  list-style-position
  list-style-image

Code Example 5

/* Choose the symbol, image or numeric for the bullet points on the list: */

/* SYMBOLS and NUMERICS */

ul {
  list-style-type: square;
}

ol {
  list-style-type:decimal;
}


/* IMAGES: */

li {
  margin: 0;
  padding: 15px 0 15px 60px;
  list-style: none;
  background-image: url("path_to_image");
  background-repeat: no-repeat;
  background-position: left center;
  background-size: 30px;
}



/* Define the color of each bullet point on the list */

ul {
  list-style: none; /* Remove list bullets */
  padding: 0;
  margin: 0;
}

li {
  padding-left: 16px;
}

li:before {
  content: "•";         /* Insert content that looks like bullets */
  padding-right: 8px;
  color: blue; 
}

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