Just thought it would be usefull to remind all that.
- It's possible to override any image in web application without overriding default ones
- It's possible to override any template without overriding default ones
- It's possible to override any module, class etc.
- If you are not sure which template is used enable debug output
- If you change templates and nothing changes disable cache
- You can write your own extensions
- We are using bootstrap 4 CSS framework.
Each time you are modifying original files you are losing upgrade capabilities. Live Helper Chat is very flexible and allows change almost everything without changing kernel.