WordPress has a great feature called ‘filter’ with which we can add our own classes to nav menu items.  Most times you need to add classes in nav menu items on some conditions. For example, in menu you have ‘sample ‘ category item. You have to add class to this item if your single post [...]

When it comes to Internet Explorer most times we use the css property position:fixed. This works fine most times but does not work in IE6. I have often faced this issues as a developer and finally I figured a way out based on some of my past experience with web-designing.