Explore the building blocks of smart authoring with intelligent containers that use white space optimally. These containers kick in when you choose a responsive theme. Optionally you can draw your own Fluid Boxes. Objects placed in Fluid Boxes get aligned automatically so that learners always get fully responsive experience regardless of their device or browser. Crunch authoring time and speed up time-to-market with a host of powerful properties, such as optional display of objects and locking of aspect ratio.