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.
Phytatesâwhich are present in whole-grain breads, cereals, legumes, and other foodsâbind zinc and inhibit its absorption [2,12,13]. Thus, the bioavailability of zinc from grains and plant foods is lower than that from animal foods, although many grain- and plant-based foods are still good sources of zinc [2].
Zinc rich foods: 1  Red meat and poultry (these are the main sources of zinc for many). 2  Oysters, crab, lobster and other shellfish (oysters contain more zinc per serving than any other food). 3  Pulses, nuts and legumes.  Wholegrain 1  cereals. Fortified breakfast cereals.  Dairy products such as cheese.