How to prevent long text from flowing out of a container

Question

How can I use CSS to wrap long words such as wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww

Instead of them flowing out of a div

Answer 1

Try white-space: pre-line;, it should break long words / strings.

Answer 2

Add the following CSS rule:

word-wrap: break-word;