This sounds like a browser issue, we would need to know the browser and its version in order to fix it. It might need an adjustment to the CSS file here in order to provide a kludge for the browser's issue, whatever it is. Sounds like Safari or IE...
You can also try expanding or contracting your pageview in order to move icons off of each other: hit the + or - keys on your numeric keypad in order to magnify or shrink the page, sometimes this+ helps as a workaround.