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Add the “reversed” attribute to the “ol” tag The reversed attribute is a boolean attribute.When present, it specifies that the list order should be descending (9,8,7…), instead of ascending (1, 2, 3…). Reference: HTML <ol> reversed Attribute
Main Reference Responsive Multi Level Dropdown Menu with CSS | CSS3 Animated Hamburger Menu It can decide whether left-align or right align when it reaches to right side of the window. i.e., the sub menu will not go overboard. The best part of this reference is that you can get the source code from CodePen. … Read more