sky/assets/scss/argon-design-system/utilities/position.scss

@each $size, $value in $spacers {
	.top-#{$size} {
		top: $value;
	}
	.right-#{$size} {
		right: $value;
	}
	.bottom-#{$size} {
		bottom: $value;
	}
	.left-#{$size} {
		left: $value;
	}
}

.center {
	left: 50%;
	transform: translateX(-50%);
}