If you can not fit a particular area, usually a word out of the border were outwards. With the help of text word-wrap property on CSS3 are bound to be withholds; For this reason, even if the word is to break. Infrangible long word is inserted down the collapse of the property in the next line.
Normal: This is a line break wards do not (default).
break-word : break-word: it is a line break between wards.