.btg-button{border:0;margin:0;padding:0;width:auto;overflow:visible;background:transparent;color:inherit;font:inherit;line-height:normal;-webkit-font-smoothing:inherit;-moz-osx-font-smoothing:inherit;-webkit-appearance:none}.btg-center{top:0;right:0;bottom:0;left:0}.btg-topLeft{top:0;left:0}.btg-topCenter{top:0;left:0;right:0;margin:0 auto}.btg-topRight{top:0;right:0}.btg-bottomLeft{bottom:0;left:0}.btg-bottomCenter{bottom:0;left:0;right:0;margin:0 auto}.btg-bottomRight{bottom:0;right:0}.btg-right{top:0;right:0;bottom:0;margin:auto 0}.btg-left{top:0;left:0;bottom:0;margin:auto 0}.btg-rotate-90{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=1)";-webkit-transform:rotate(90deg);transform:rotate(90deg)}.btg-rotate-180{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=2)";-webkit-transform:rotate(180deg);transform:rotate(180deg)}.btg-rotate-270{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=3)";-webkit-transform:rotate(270deg);transform:rotate(270deg)}