Tutorial Prevent Long URL’s From Breaking Out of Container
Or any long bit of text, really.
.comment-text {
word-wrap: break-word;
}
A more robust browser support, you'll need more (via):
-ms-word-break: break-all;
/* Be VERY careful with this, breaks normal words wh_erever */
word-break: break-all;
/* Non standard for webkit */
word-break: break-word;
-webkit-hyphens: auto;
-moz-hyphens: auto;
hyphens: auto;
The above works in Internet Explorer 8+, Firefox 6+, iOS 4.2, Safari 5.1+ and Chrome 13+.