/* Keyframes */
/* Menu column animation */
@keyframes menu_out {
	from {  left: -500px; }
	to {  left: 0px; }
}

@keyframes menu_in {
	from {  left: 0px; }
	to {  left: -500px; }
}

.menu_column_container.off {
	left: -500px;
	animation-name: menu_in;
	animation-duration: 0.2s;
}

.menu_column_container.on {
	left: 0px;
	animation-name: menu_out;
	animation-duration: 0.2s;
}