@-webkit-keyframes top
{
	0%   {top:0px;}
	100% {top:-100%;}
}

@-webkit-keyframes bottom
{
	0%   {bottom:0px;}
	100% {bottom:-100%;}
}

@-webkit-keyframes center
{
	0%   {}
	100% {}
}

@-webkit-keyframes right
{
	0%   {left:0px;}
	100% {left:100%;}
}

@-webkit-keyframes overlay
{
	0%   {}
	100% {background:none;}
}