Index: frontend/node_modules/postcss-font-variant/index.js
===================================================================
--- frontend/node_modules/postcss-font-variant/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/postcss-font-variant/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,126 @@
+/**
+ * font variant convertion map
+ *
+ * @type {Object}
+ */
+const fontVariantProperties = {
+  "font-variant-ligatures": {
+    "common-ligatures": "\"liga\", \"clig\"",
+    "no-common-ligatures": "\"liga\", \"clig off\"",
+    "discretionary-ligatures": "\"dlig\"",
+    "no-discretionary-ligatures": "\"dlig\" off",
+    "historical-ligatures": "\"hlig\"",
+    "no-historical-ligatures": "\"hlig\" off",
+    contextual: "\"calt\"",
+    "no-contextual": "\"calt\" off"
+  },
+
+  "font-variant-position": {
+    sub: "\"subs\"",
+    "super": "\"sups\"",
+    normal: "\"subs\" off, \"sups\" off"
+  },
+
+  "font-variant-caps": {
+    "small-caps": "\"smcp\"",
+    "all-small-caps": "\"smcp\", \"c2sc\"",
+    "petite-caps": "\"pcap\"",
+    "all-petite-caps": "\"pcap\", \"c2pc\"",
+    unicase: "\"unic\"",
+    "titling-caps": "\"titl\""
+  },
+
+  "font-variant-numeric": {
+    "lining-nums": "\"lnum\"",
+    "oldstyle-nums": "\"onum\"",
+    "proportional-nums": "\"pnum\"",
+    "tabular-nums": "\"tnum\"",
+    "diagonal-fractions": "\"frac\"",
+    "stacked-fractions": "\"afrc\"",
+    ordinal: "\"ordn\"",
+    "slashed-zero": "\"zero\""
+  },
+
+  "font-kerning": {
+    normal: "\"kern\"",
+    none: "\"kern\" off"
+  },
+
+  "font-variant": {
+    normal: "normal",
+    inherit: "inherit"
+  }
+}
+
+// The `font-variant` property is a shorthand for all the others.
+for (const prop in fontVariantProperties) {
+  const keys = fontVariantProperties[prop]
+  for (const key in keys) {
+    if (!(key in fontVariantProperties["font-variant"])) {
+      fontVariantProperties["font-variant"][key] = keys[key]
+    }
+  }
+}
+
+// Find font-feature-settings declaration before given declaration,
+// create if does not exist
+function getFontFeatureSettingsPrevTo(decl) {
+  let fontFeatureSettings = null;
+  decl.parent.walkDecls((decl) => {
+    if (decl.prop === "font-feature-settings") {
+      fontFeatureSettings = decl;
+    }
+  })
+
+  if (fontFeatureSettings === null) {
+    fontFeatureSettings = decl.clone()
+    fontFeatureSettings.prop = "font-feature-settings"
+    fontFeatureSettings.value = ""
+    decl.parent.insertBefore(decl, fontFeatureSettings)
+  }
+  return fontFeatureSettings
+}
+
+function walkRule(rule) {
+  let fontFeatureSettings = null
+  // read custom media queries
+  rule.walkDecls((decl) => {
+    if (!fontVariantProperties[decl.prop]) {
+      return null
+    }
+
+    let newValue = decl.value
+    if (decl.prop === "font-variant") {
+      newValue = decl.value.split(/\s+/g).map((val) => {
+        return fontVariantProperties["font-variant"][val]
+      }).join(", ")
+    }
+    else if (fontVariantProperties[decl.prop][decl.value]) {
+      newValue = fontVariantProperties[decl.prop][decl.value]
+    }
+
+    if (fontFeatureSettings === null) {
+      fontFeatureSettings = getFontFeatureSettingsPrevTo(decl);
+    }
+    if (fontFeatureSettings.value && fontFeatureSettings.value !== newValue) {
+      fontFeatureSettings.value += ", " + newValue;
+    }
+    else {
+      fontFeatureSettings.value = newValue;
+    }
+  })
+}
+
+/**
+ * Expose the font-variant plugin.
+ */
+module.exports = () => {
+  return {
+    postcssPlugin: "postcss-font-variant",
+    Once(root) {
+      root.walkRules(walkRule)
+    }
+  }
+}
+
+module.exports.postcss = true