[ADD] theme saas-6

theme_graphene/static/src/less/main.font.less

@@ -0,0 +1,25 @@
+
+@font-face {
+  font-family: 'et-line';
+  src:url('../fonts/et-line/et-line.ttf') format('truetype');
+  font-weight: normal;
+  font-style: normal;
+}
+
+[data-icon]:before {
+  font-family: 'et-line';
+  content: attr(data-icon);
+  speak: none;
+  font-style: normal;
+  font-weight: normal;
+  font-variant: normal;
+  text-transform: none;
+  line-height: 1;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  display:inline-block;
+}
+
+@font-family-sans-serif : 'Source Sans Pro', sans-serif;
+@headings-font-family   : 'Source Sans Pro', sans-serif;
+