Code text extend beyond the page

Preconditions:
User is logged in

Steps to reproduce:
1. Click "Create article" and fill "Article title" field with correct data
2. Enter long text without spaces in Content field `ASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASDASD`
3. Click "Create article"

Actual result: Code text extend beyond the page
Expected result: Code should be placed in the field