/*\ |*| |*| Core elements: Sizing and padding |*| \*/ body { line-height: 1.5; font-family: sans-serif; } h1 { font-size: 150%; font-weight: bold; } h2 { font-size: 110%; font-weight: bold; } /*\ |*| |*| Overall page layout |*| |*| Assumes: Top-level div with id="page" for all content |*| \*/ /* Mobile-first: At small sized we have a white background and use the * entire screen width for the page (so the background color of the * body is not visible anywhere). */ body { background-color: #333738; } #page { background-color: white; } /* For a small screen (in either width or height) change the * background of the body element to white so the application always * appears as if it is "full screen". */ @media screen and (max-width: 500px) and (max-height: 860px) { body { background-color: white; } } /* We never let the page content get larger than a large fixed width. * * And when the screen is wide enough, we can afford some "wasted" * space on either side of the page content. This starts at 0 for a * 620px wide page up to 50px on either side for a 720px wide page. * * Wider than that and we start to see the background on either side * of the page content. */ #page { box-sizing: border-box; max-width: 720px; margin-left: auto; margin-right: auto; padding-top: 0; padding-bottom: 0; padding-left: 1em; padding-right: 1em; } @media screen and (min-width: 620px) and (max-width: 720px) { #page { padding-left: calc(1em + (100% - 620px)/2); padding-right: calc(1em + (100% - 620px)/2); } } @media screen and (min-width: 720px) { #page { padding-left: calc(1em + 50px); padding-right: calc(1em + 50px); } } /* The calculations for height are different. We don't have any * vertical centering, so instead we have only some fixed padding on * the top. Then, the margin which allows the background to be visible * on the top and bottom starts appearing at a viewport height of 648 * and tops out at a size of 36px. */ #page { min-height: 500px; padding-top: 1em; } @media screen and (min-height: 648px) and (max-height: 720px) { #page { margin-top: calc((100vh - 648px)/2); margin-bottom: calc((100vh - 648px)/2); } } @media screen and (min-height: 720px) { #page { margin-top: 36px; margin-bottom: 36px; } } /*\ |*| |*| Responsive form layout |*| \*/ /* * * Within the form, fields can be placed in