How to enable/disable the Desktop Notifications manually

Chrome:
- Open Chrome Settings -> Show advanced settings
- Privacy -> Content settings
- Notifications -> Manage exceptions
- Find http://pomotodo.com:443 and choose Allow/Block
Firefox:
- Open http://pomotodo.com
- Right click at the blank space of the homepage
- Choose View Page Info -> Permissions
- Find Receive Notifications
- Cancel Use Default -> tick Allow/Block
Safari:
- Firstly, sign in Web Pomotodo http://pomotodo.com
- Click your user name in the right top corner and choose Settings
- You will see the Popup The website “pomotodo.com” would like to show alerts in Notification Center.
- If no Popup, Choose the Preferences of the Safari
- Notifications -> Find pomotodo.com -> Choose Allow/Deny
Internet Explorer: Not Supported