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diff --git a/theme/custom_sphinx_rtd_theme/static/css/fonts/Roboto-Slab-Regular.woff b/theme/custom_sphinx_rtd_theme/static/css/fonts/Roboto-Slab-Regular.woff
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diff --git a/theme/custom_sphinx_rtd_theme/static/css/fonts/noto-serif-v9-latin-700.woff b/theme/custom_sphinx_rtd_theme/static/css/fonts/noto-serif-v9-latin-700.woff
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diff --git a/theme/custom_sphinx_rtd_theme/static/css/fonts/noto-serif-v9-latin-700.woff2 b/theme/custom_sphinx_rtd_theme/static/css/fonts/noto-serif-v9-latin-700.woff2
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diff --git a/theme/custom_sphinx_rtd_theme/static/css/theme.css b/theme/custom_sphinx_rtd_theme/static/css/theme.css
index 6c1ebd0..53f929d 100644
--- a/theme/custom_sphinx_rtd_theme/static/css/theme.css
+++ b/theme/custom_sphinx_rtd_theme/static/css/theme.css
@@ -5579,7 +5579,7 @@ h6,
 legend {
     margin-top: 0;
     font-weight: 700;
-    font-family: Roboto Slab, ff-tisa-web-pro, Georgia, Arial, sans-serif
+    font-family: 'Noto Serif Bold', ff-tisa-web-pro, Georgia, Arial, sans-serif
 }
 
 p {
@@ -6981,7 +6981,7 @@ footer span.commit code {
 
 .rst-content .sidebar .sidebar-title {
     display: block;
-    font-family: Roboto Slab, ff-tisa-web-pro, Georgia, Arial, sans-serif;
+    font-family: 'Noto Serif Bold', ff-tisa-web-pro, Georgia, Arial, sans-serif;
     font-weight: 700;
     background: #e1e4e5;
     padding: 6px 12px;
@@ -7424,20 +7424,11 @@ span[id*=MathJax-Span] {
     font-display: block
 }
 
+/* noto-serif-700 - latin */
 @font-face {
-    font-family: Roboto Slab;
-    font-style: normal;
-    font-weight: 400;
-    src: url(fonts/Roboto-Slab-Regular.woff2?7abf5b8d04d26a2cafea937019bca958) format("woff2"),
-    url(fonts/Roboto-Slab-Regular.woff?c1be9284088d487c5e3ff0a10a92e58c) format("woff");
-    font-display: block
-}
-
-@font-face {
-    font-family: Roboto Slab;
-    font-style: normal;
-    font-weight: 700;
-    src: url(fonts/Roboto-Slab-Bold.woff2?9984f4a9bda09be08e83f2506954adbe) format("woff2"),
-    url(fonts/Roboto-Slab-Bold.woff?bed5564a116b05148e3b3bea6fb1162a) format("woff");
-    font-display: block
+  font-family: 'Noto Serif Bold';
+  src: url('fonts/noto-serif-v9-latin-700.woff2') format('woff2'), /* Super Modern Browsers */
+  url('fonts/noto-serif-v9-latin-700.woff') format('woff'); /* Modern Browsers */
+  font-style: normal;
+  font-weight: 700;
 }