The width=device-width part sets the width of the page to follow the screen-width of the device (which will vary depending on the device). The initial-scale=1 part sets the initial zoom level when the page is first loaded by the browser. 3. Containers. Bootstrap also requires a containing element to wrap site contents.
dirigente m, f (masculine and feminine plural dirigenti) 1  leading, ruling. 2  managerial, executive.
Echelon faults and en echelon veins are examples. In mathematics, the term row echelon form refers to a kind of matrix where the non-zero elements are shaped in an echelon-like manner. In road bicycle racing, an echelon formation is a diagonal line of racers, which allows cooperative drafting.