http://stackoverflow.com/questions/826782/css-rule-to-disable-text-selection-highlighting
handy for web app
21 solutions
see also
http://stackoverflow.com/questions/7018324/how-do-i-stop-highlighting-of-a-div-element-when-double-clicking-on
http://phonegap-tips.com/articles/essential-phonegap-css-webkit-tap-highlight-color.html
====
For those who have trouble achieving the same in android browser with the touch event,
html,body{
-webkit-touch-callout: none;
-webkit-user-select: none;
-webkit-tap-highlight-color: rgba(0,0,0,0);
-webkit-tap-highlight-color: transparent;
}
