Ideabox Popup is simple, HTML5&CSS3, pure Javascript plugin. You can make popup step form, popup survey, popup slider, subscribe popup form and much more

Main Features:

• No dependencies required
• Fully customizable via CSS
• Full Responsive
• Lightweight and Simple
• Bootstrap Compatible
• Clean Code
• Clean and Flat design
• Multipurpose
• Easy to Customize
• Easy understanding commented code
• CSS3 animations
• Well documented

Credits :

• Free images from https://unsplash.com/
• Google fonts https://fonts.google.com/
• CSS animation library from https://daneden.github.io/animate.css/