refactor(header): created mixin for media queries

src/settings/styles/utils/exports.scss

@@ -1,4 +1,5 @@
 @import './resources/colors';
 @import './resources/fonts';
+@import './resources/breakpoints';
 @import './helpers/mixin';
 @import './helpers/functions';

src/settings/styles/utils/helpers/_mixin.scss

@@ -3,3 +3,14 @@
 	height: #{$size};
 }
 
+@mixin mq($point, $type, $custom) {
+	@if map-has-key($breakpoints, $point) {
+		@media screen and (#{$type}-width: #{map-get($breakpoints, $point)}) {
+			@content;
+		}
+	} @else if map-has-key($breakpoints, $point) == false && $custom == true {
+		@media screen and (#{$type}-width: #{$custom}) {
+			@content;
+		}
+	}
+} ;

src/settings/styles/utils/resources/_breakpoints.scss

@@ -0,0 +1,6 @@
+// desenvolvimento focado em mobile-first
+
+$breakpoints: (
+	'md': 1025px,
+	'lg': 2500px,
+) !default;