Bootstrap's CSS is built on Less, a preprocessor with additional functionality like variables, mixins, and functions for compiling CSS. Those looking to use the source Less files instead of our compiled CSS files can make use of the numerous variables and mixins we use throughout the framework.
Oysters contain more zinc per serving than any other food, but red meat and poultry provide the majority of zinc in the American diet. Other good food sources include beans, nuts, certain types of seafood (such as crab and lobster), whole grains, fortified breakfast cereals, and dairy products [2,11].
But, perhaps the most widely known benefits of proper zinc intake is a fortified immune system. Zinc aids in the building of 100 different enzymes, and helps protect the body against sickness and decay. Here are 4 natural food sources that add zinc to your diet. 1. Meats. If you are a meat-eater, you are probably already getting a reasonable amount of zinc in your diet. The meats that transfer the highest concentration of zinc include beef, beef, lamb, pork and salmon.