Selecting elements according to User agents

by danield770

HTML

Check html Source for User Agent

CSS

html[data-useragent*='rv:11.0']
{
    color: green;
}

JavaScript

var b = document.documentElement;
b.setAttribute('data-useragent',  navigator.userAgent);
b.setAttribute('data-platform', navigator.platform );
b.className += ((!!('ontouchstart' in window) || !!('onmsgesturechange' in window))?' touch':'');