问题描述
我已经对媒体查询进行了一些研究，我仍然不太明白如何定位某些大小的设备。
I have been doing some research on media queries and I still don't quite understand how to target devices of certain sizes.
我想要指定桌机，平板电脑和行动装置。我知道会有一些差异，但是有一个通用的系统可以用来定位这些设备是很不错的。
I want to be able to target desktop, tablet and mobile. I know that there will be some discrepancies but it would be nice to have a generic system that can be used to target these devices.
我发现了一些例子：
# Mobile
only screen and (min-width: 480px)
# Tablet
only screen and (min-width: 768px)
# Desktop
only screen and (min-width: 992px)
# Huge
only screen and (min-width: 1280px)
或：
# Phone
only screen and (max-width:320px)
# Tablet
only screen and (min-width:321px) and (max-width:768px)
# Desktop
only screen and (min-width:769px)
你认为这些'断点'每个设备？
What do you think these 'breakpoints' should be for each device?
推荐答案
IMO这些是最好的断点：
IMO these are the best breakpoints:
@media (min-width:320px) { /* smartphones, portrait iPhone, portrait 480x320 phones (Android) */ }
@media (min-width:480px) { /* smartphones, Android phones, landscape iPhone */ }
@media (min-width:600px) { /* portrait tablets, portrait iPad, e-readers (Nook/Kindle), landscape 800x480 phones (Android) */ }
@media (min-width:801px) { /* tablet, landscape iPad, lo-res laptops ands desktops */ }
@media (min-width:1025px) { /* big landscape tablets, laptops, and desktops */ }
@media (min-width:1281px) { /* hi-res laptops and desktops */ }
编辑：改善960网格效果：
Edit: Refined to work better with 960 grids:
@media (min-width:320px) { /* smartphones, iPhone, portrait 480x320 phones */ }
@media (min-width:481px) { /* portrait e-readers (Nook/Kindle), smaller tablets @ 600 or @ 640 wide. */ }
@media (min-width:641px) { /* portrait tablets, portrait iPad, landscape e-readers, landscape 800x480 or 854x480 phones */ }
@media (min-width:961px) { /* tablet, landscape iPad, lo-res laptops ands desktops */ }
@media (min-width:1025px) { /* big landscape tablets, laptops, and desktops */ }
@media (min-width:1281px) { /* hi-res laptops and desktops */ }
实践，许多设计师将像素转换为ems，大部分b / c ems更好地提供缩放。在标准缩放 1em === 16px 。将像素乘以 1em / 16px 以获取ems。例如， 320px === 20em 。
In practice, many designers convert pixels to ems, largely b/c ems better afford zooming. At standard zoom 1em === 16px. Multiply pixels by 1em/16px to get ems. For example, 320px === 20em.
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