Draggable Google Modal with Pure JavaScript

Simple draggable modal with pure Javascript, inspired by Google Modal.

Features:

• Without external dependencies.
• Drag and Drop
  • When is fixed, the drag is disabled.
• Responsive
• Shortcuts
  • Ctrl + Up Arrow: Fill the entire screen;
  • Ctrl + Down Arrow: Exit full screen;
  • Ctrl + Left Arrow: Align the left, filling half the screen*;
  • Ctrl + Right Arrow: Align the right, filling half the screen*;