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].
Foods Rich in Zinc. Zinc is present in many foods that are good sources of protein. This includes seafood such as oysters and crab, meats such as lean beef and poultry and dairy products including yogurt and cheese. However, you do not need to consume animal products in order to have adequate intake of this mineral.