change font famely in style

static/less/_.css

@@ -310,15 +310,17 @@
   right: 0;
 }
 body {
-  font-family: 'Trebuchet MS', 'PT Sans', Helvetica, Arial, sans-serif;
+  font-family: "Open Sans", Arial, sans-serif;
 }
 /* Account for fixed navbar */
 body,
 .navbar {
   min-width: 970px !important;
 }
-.lead {
-  font-size: 16px;
+.nav .lead {
+  font-size: 14px;
+  text-transform: uppercase;
+  font-weight: bold;
 }
 .container {
   width: 970px !important;
@@ -405,7 +407,8 @@ body,
 }
 /* Don't let the lead text change font-size. */
 .lead {
-  font-size: 16px;
+  font-size: 14px;
+  font-weight: bold;
 }
 /* Finesse the page header spacing */
 .page-header {

static/less/_.less

@@ -9,7 +9,7 @@
 @brand-white: @white;
 
 body {
-  font-family: 'Trebuchet MS', 'PT Sans', Helvetica, Arial, sans-serif;
+  font-family: "Open Sans", Arial, sans-serif;
 }
 
 /* Account for fixed navbar */
@@ -18,10 +18,15 @@ body,
   min-width: 970px !important;
 }
 
-.lead {
-  font-size: 16px;
+.nav {
+  .lead {
+    font-size: 14px;
+    text-transform: uppercase;
+    font-weight: bold;
+  }
 }
 
+
 .container {
   width: 970px !important;
 }
@@ -132,7 +137,8 @@ body,
 
 /* Don't let the lead text change font-size. */
 .lead {
-  font-size: 16px;
+  font-size: 14px;
+  font-weight: bold;
 }
 
 /* Finesse the page header spacing */