Here’s what you need to know about flex fuel vehicles and what it means to own one. Definitions by the largest Idiom Dictionary. If you already own a flex fuel Ford, or if you’re looking to purchase one, you’ll be happy to know that the technology isn’t complicated and owning one isn’t any more expensive. Learn more. flex: 1 means the following:. Here is the revelant bit of code:.header, .footer { flex: 1 100%; } .sidebar { flex: 1; } .main { flex: 2; } First, we’ve authorized flex items to be displayed on multiple rows with flex-flow: row wrap.. Then we tell to both the header and the footer to take 100% of the current viewport width, no matter what. flex your muscles definition: 1. to try to worry an opponent or enemy by publicly showing military, political, or financial…. We’re going to explore 5 reasons why your school should consider adding a flex day to its schedule, and we’ll include some examples from one school that has done it really well. What does flex muscles expression mean? For a school that wants to follow a Genius Hour model, like Google’s 20% time, or really commit to Project-Based Learning, a flex day is a great solution. flex muscles phrase. flex-grow : 1; The div will grow in same proportion as the window-size flex-shrink : 1; The div will shrink in same proportion as the window-size flex-basis : 0; The div does not have a starting value as such and will take up screen as per the screen size available for e.g:- if 3 divs are in the wrapper then each div will take 33%. Definition of flex muscles in the Idioms Dictionary.