HTML5 and Mobile Game Development - Learn HTML5 by Creating Fun Games - page 343

// ---------------------------------
@-webkit-keyframes animagedBg {
from {
background-position: 0 0;
}
to {
background-position: 1300% 600%;
}
}
.anim-background {
-webkit-animation: animagedBg;
-webkit-animation-duration: 500s;
-webkit-animation-timing-function: linear;
-webkit-animation-iteration-count: infinite;
}
// ---------------------------------
// JavaScript Detection: main.js
// ---------------------------------
// Returns true if the browser is mobile
function isMobile(userAgent) {
var mobileAgents = [
"ANDROID",
"BLACKBERRY",
"IPHONE",
"IPAD",
"IPHONE",
"OPERA MINI",
"IEMOBILE"
];
return
mobileAgents.indexOf(userAgent.toUpperCase())
>= 0;
}