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].
The most important food source for zinc is meat, and other products like oysters, turnips, peas, oats, peanuts, almonds, whole wheat grain, pumpkin seeds, ginger root and pecan nuts have smaller, but still worthwhile amounts of this beneficial vitamin.