._f-1 { flex: 1 !important; }
._f-n { flex: none !important; }
._f-at { flex: auto !important; }

@each $breakpointName, $breakpointSize in $breakpoints {
	@media (min-width: $breakpointSize) {
		._f-1-#{$breakpointName} { flex: 1 !important; }
		._f-n-#{$breakpointName} { flex: none !important; }
		._f-at-#{$breakpointName} { flex: auto !important; }
	};
};