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zulip/static/js/css_variables.js
Anders Kaseorg 64b78ad992 styles: Use range context queries to eliminate *_max variables.
On a high-DPI display or with a non-default zoom level, the browser
viewport may have a width strictly between md_max = 767px and md_min =
768px.  Use only the *_min bounds for consistency.

This requires queries with strict inequalities to express upper
bounds (width < md_min).  Fortunately, that functionality is provided
by range context queries.  Unfortunately, those are not supported in
all browsers.  Fortunately, we can compile them away using
postcss-media-minmax.  Unfortunately, postcss-media-minmax currently
subtracts 1px for strict inequalities anyway to work around a Safari
rounding bug.  Fortunately, 0.02px should be sufficient for that, so I
submitted a PR:

https://github.com/postcss/postcss-media-minmax/pull/28

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2021-02-05 09:23:59 -08:00

27 lines
590 B
JavaScript

"use strict";
// Media query breakpoints according to Bootstrap 4.5
const xs = 0;
const sm = 576;
const md = 768;
const lg = 992;
const xl = 1200;
// Breakpoints for mobile devices used by Google Chrome as of Version 86
const ml = 425; // Mobile large
const mm = 375; // Mobile medium
const ms = 320; // Mobile small
module.exports = {
media_breakpoints: {
xs_min: xs + "px",
sm_min: sm + "px",
md_min: md + "px",
lg_min: lg + "px",
xl_min: xl + "px",
ml_min: ml + "px",
mm_min: mm + "px",
ms_min: ms + "px",
},
};