how to remove unwanted spacing when using ul

Have you ever tried to make any navigation menu and facing unwanted spaces?

If yes,then your query has been solved.Actually <ul> represent the un-ordered list and this tag have padding and margin on default that is the only issue that whenever their is <ul> tag their will be spacing.So,lets have a look on how to remove unwanted spacing when using <ul>
As I told you <ul> have default padding and margin so just best way is to remove those properties will help the tag works fine.Just add following lines in the style.

ul{padding: 0px ; margin: 0px;}

and your are done!