grid-template-columns: minmax(auto, 12em) 5fr; So, in this line, what is the meaning of 5fr unit? article, main {width :100%;} Frontend Masters is the best place to get it. /* Viewports between 320px and 480px wide */ @media only screen and (min-device-width: 320px) and (max-device-width: 480px) { .card { … LIKE US. To get the width the height of the viewport, you use the window.innerWidth and window.innerHeight in modern browsers. The viewport-percentage lengths are relative to the size of the initial containing block. and sum of actual pixels of any device is reffered to as "Viewport". Viewport units have been around for several years now, with near-perfect support in the major browsers, but I keep finding new and exciting ways to use them. thanks. The initial-scale property governs the zoom level when the page is loaded for the first time. In the new OddBird redesign, we constrained our hero images with max-height: 55vh so they never push headlines off the page. Introduction. 1 3 3 bronze badges. font-size:19px; Combining all these tricks can give you some powerful control around how your content fills a browser window, and responds to different viewports. CSS3 a introduit deux unités pour représenter la taille. Note: I've made the viewport height less prominent as some users were incorrectly adding this as the landscape value. A handy list of Viewport Size for all Apple iPhone models including iphone SE, iPhone 7 iPhone 8, iPhone X, iPhone 11 Pro and more. Four new “viewport-relative” units appeared in the CSS specifications between 2011 and 2015, as part of the W3C’s CSS Values and Units Module Level 3. There are more in-depth articles about the technique, both at Cloud Four and here on CSS Tricks. The general syntax looks like the following: Start Your Free Software Development Course, Web development, programming languages, Software testing & others, @viewport { ). With the new @viewport rule we have the same viewport control we have with the meta tag, except that it’s done entirely with CSS. @media screen and (min-width: 400px) Front End Scripts Web Development Javascript. I always prefer to show my math, with as many semantic hints as possible (like variable names), rather than pasting in a random-looking number like 56.25. This is a free tool for measuring current viewport sizes for websites and apps as well as documentation of viewport and visible CSS dimensions of popular devices.