Added global app style (fonts/variables/scss)

src/assets/scss/_global.scss

@@ -0,0 +1,40 @@
+@import 'libs/normalize';
+
+@import 'fonts';
+@import 'variables';
+
+body {
+  font-family: $body-font-family;
+  font-size: $font-size-base;
+  line-height: 1.2;
+  color: $white;
+  background: $black;
+}
+
+h1, h2, h3, h4, h5, h6 {
+  font-family: $heading-font-family;
+  font-weight: $fw-regular;
+}
+h1 { font-size: 30px; }
+h2 { font-size: 25px; }
+h3 { font-size: 22px; }
+h4 { font-size: 18px; }
+
+ul {
+  &.no-style {
+    margin: 0;
+    padding-left: 0;
+    list-style-type: none;
+  }
+}
+
+a {
+  &.no-style {
+    color: inherit;
+    text-decoration: none;
+  }
+}
+
+hr {
+  border-color: rgba($white, .2);
+}