HTML lists allow web developers to group a set of related items in lists.
The HTML <ul> element is for grouping a collection of items that do not have a numerical ordering.
Typically, unordered-list items are displayed with a bullet, which can be of several forms, like a dot, a circle, or a square.
Unordered list are mainly important in navigation to show menu items.
<ul>
<li>item 1</li>
<li>item 2</li>
</ul>
The list-style-type CSS property sets the marker of a list item element.
The list-style-type property may be defined as any one of: symbol, string, custom-indent or none
<ul style="list-style-type: square">
<li>item 1</li>
<li>item 1</li>
</ul>