when you're working on a Web page in a mobile browser, clicking a button on a page or an element with a click event will cause a default highlight to affect the overall sensory experience. can be resolved with a simple CSS3 property:Tap-highlight-color, preferably with the WebKit browser prefix.
-webkit-tap-highlight-color:rgba (0,0,0,0);-webkit-tap-highlight-color:transparent; /* For some androids, personal feeling is low version of Android, under 4.0 */
If you have a large div containing a lot of small similar small div, click on these small div to trigger the event, you use the event delegate only to the outer large div bound the Click event (so as long as binding once enough), then this property will be used, When you click on a small div, you won't see the whole big div being selected.
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CSS3 Remove the Mobile browser button click on the highlighted box that appears