.lines-button {
	position: relative;
	width: 20px;
	height: 2px;
	border-radius: 5px;
	background: #fff;
	transition: background 0.3s ease;

	&:before, &:after {
		position: absolute;
		content: '';
		// top: 0;
		// left: 0;
		// right: 0;
		// bottom: 0;
		width: inherit;
		height: inherit;
		background: #fff;
		border-radius: inherit;
		transform-origin: 50% 50%;
		transition: transform 0.2s ease,
					background 0.2s ease;
	}

	&:before {
		transform: translate3d(0, -6px, 0);
	}

	&:after {
		transform: translate3d(0, 6px, 0);
	}


	// closed state
	&.close {
		background: transparent;

		&:before {
			transform: rotate3d(0, 0, 1, 45deg);
		}

		&:after {
			transform: rotate3d(0, 0, 1, -45deg);
		}
	}
}