The calculator to the right is a simple JavaScript, HTML and CSS built application.
The animated gradient background was created using -webkit animation.
You can use this tool here.
How much was your bill?
$
How was your service?
Choose Percentage 30% Outstanding!! 20% Outstanding! 19% 18% Good 17% 16% 15% OK 14% 13% 12% 11% 10% Take Out 05% Terrible