CSS prevents users from choosing to copy

-webkit-user-select:none;
-moz-user-select:none;

P.S.

-wekit-gg Browser

-moz-ff Browser

WebKit is an open-source browser engine, corresponding to the engine has gecko (Mozilla Firefox and so on) and Trident (also known as Mshtml,ie use).

The WebKit kernel is also widely used on mobile phones, such as Google's mobile Android, Apple's IPhone, and the browser kernel engine used by Nokia's Series browser, all based on WebKit.

WebKit kernel on Windows development latest, Safari (for Windows), Midori,google Chrome, with dual core mode of Proud Tour 3 and proud Cloudbrowser browser is the most common WebKit browser. The 2009 launch of Safari and Chrome as well as the 2010 launch of the Sogou browser V2.0beta and Proud tour 3.0beta are all used by the WebKit engine to fully pass the ACID3 test full score!

Now the browser's kernel engine, basically four points of the world: Trident:ie with Trident as the kernel engine; Gecko:firefox is based on Gecko development; Webkit:safari, Google Chrome, proud Tour 3, Cheetah browser, Baidu browser Opera browser based on WebKit development. Presto:opera core, but due to market choice problem, mainly applied in mobile phone platform--opera Mini Note: February 2013 opera announced the shift to WebKit engine Note: April 2013 Opera announced the abandonment of WebKit, Follow Google's newly developed Blink engine

CSS prevents users from choosing to copy