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• To change cursor with CSS into button - pressed - like cursor when hovered, cursor:pointer;, https://stackoverflow.com/questions/8762201/how-to-get-the-cursor-to-change-to-the-hand-when-hovering-a-button-tag.
• CSS to remove points in unordered list.

margin-left: 0;
list-style-type: none;

• $("#container h1") selects every <h1> element found within the #container element.
• $("#container > h1") selects only those <h1> elements that have the #container element as their parent (not grandparent, or other form of ancestor).