convert px to rem units

src/config/variables.js

@@ -1,18 +1,18 @@
 export const FONT_SIZE = {
-    SMALLEST: '10px',
-    SMALLER: '12px',
-    SMALL: '14px',
-    BASE: '16px',
-    TOP_MENU: '17px',
-    WALLET_TITLE: '18px',
-    BIG: '21px',
-    BIGGER: '32px',
-    BIGGEST: '36px',
-    H1: '18px',
-    H2: '16px',
-    H3: '14px',
-    H4: '12px',
-    COUNTER: '11px',
+    SMALLEST: '0.7142rem',
+    SMALLER: '0.8571rem',
+    SMALL: '1rem',
+    BASE: '1.1428rem',
+    TOP_MENU: '1.2142rem',
+    WALLET_TITLE: '1.2857rem',
+    BIG: '1.5rem',
+    BIGGER: '2.2857rem',
+    BIGGEST: '2.5714rem',
+    H1: '1.2857rem',
+    H2: '1.1428rem',
+    H3: '14rem',
+    H4: '0.8571rem',
+    COUNTER: '0.7857rem',
 };
 
 export const FONT_WEIGHT = {