.hidden { display: none !important; }
.visible { display: block; }
.invisible { display: block !important;visibility: hidden !important;position: absolute !important;left: 0 !important;top: 0 !important;width: 0 !important;height: 0 !important;font-size: 0.1px !important;line-height: 0 !important; }
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.right { float: right; }
.left { float: left; display: inline; /* ie hack */ }
.center { margin-left: auto; margin-right: auto; }
.inline { display: inline; }
.nowrap { white-space: nowrap; }