Add lexend.css

lexend.css

@@ -0,0 +1,42 @@
+@font-face {
+    font-family: "Lexend";
+    src: url("https://repodelivery.tetratto.com/fonts/lexend_variable.woff2")
+        format("woff2");
+}
+
+body:not(.use_system_font) {
+    & p:not(b *),
+    & span:not(.notification, .name, b *, button *, a *, .dropdown *, nav *),
+    & input,
+    & textarea {
+        font-variation-settings: "wght" 325;
+
+        & h1 {
+            font-variation-settings: "wght" 600;
+        }
+
+        & h2 {
+            font-variation-settings: "wght" 550;
+        }
+
+        & h3 {
+            font-variation-settings: "wght" 500;
+        }
+
+        & h4 {
+            font-variation-settings: "wght" 450;
+        }
+
+        & h5 {
+            font-variation-settings: "wght" 400;
+        }
+
+        & h6 {
+            font-variation-settings: "wght" 350;
+        }
+
+        & b {
+            font-variation-settings: "wght" 500;
+        }
+    }
+}