Vaccines Kittens Do Not Need. If a kitten will be an indoor-only pet, a FEL/FIV (feline leukemia and feline immunodeficiency virus) vaccine is usually not necessary. However, it is recommended that your kitten get tested for FEL/FIV if not much information is know about the kitten and his parents.
Mobile Responsive Design (Definition) A mobile responsive design is when a website or email is displayed on a mobile device and it automatically adjusts it's sizing, layout, and proportions to display in a legible manner on the device. The best way to look at it, for email, is that your message content is re-organized to be more optimized for mobile devices.
Javascript & jQuery. Responsive design is still coming of age and not all browsers will support all techniques. Javascript shims and polyfills will help plug the gaps where some techniques are natively supported. The most basic of examples is Respond.js which acts as a polyfill for IE8 and lower.