CSS Properties - word-wrap
Example #1 (word-wrap: normal):
This is an example of a box that has a verrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrry long word.
Example #2 (word-wrap: break-word):
This is an example of a box that has a verrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrry long word.