diff --git a/aio/src/styles/0-base/_typography.scss b/aio/src/styles/0-base/_typography.scss
index 1b0afc1f466..e9503a7cd2b 100755
--- a/aio/src/styles/0-base/_typography.scss
+++ b/aio/src/styles/0-base/_typography.scss
@@ -100,6 +100,7 @@ input,
 a {
   @include font-size(16);
   @include line-height(32);
+  font-family: inherit;
   font-weight: 400;
   color: $darkgray;
 
diff --git a/aio/src/styles/1-layouts/_sidenav.scss b/aio/src/styles/1-layouts/_sidenav.scss
index a5ccd7fcb82..1ecf57666a2 100644
--- a/aio/src/styles/1-layouts/_sidenav.scss
+++ b/aio/src/styles/1-layouts/_sidenav.scss
@@ -63,7 +63,6 @@ aio-nav-menu {
       color: $darkgray;
       cursor: pointer;
       display: flex;
-      font-family: $main-font;
       align-items: center;
       justify-content: space-between;
       overflow-wrap: break-word;
diff --git a/aio/src/styles/2-modules/_buttons.scss b/aio/src/styles/2-modules/_buttons.scss
index 644972f6565..80701be2a32 100644
--- a/aio/src/styles/2-modules/_buttons.scss
+++ b/aio/src/styles/2-modules/_buttons.scss
@@ -1,5 +1,9 @@
 /* Button Styles */
 
+button {
+  font-family: inherit;
+}
+
 .button,
 a.button.mat-button {
   display: inline-block;