typography improvements

docs/themes/dyne-soft/assets/assets/sass/_elements.scss

@@ -17,8 +17,8 @@ body {
   overflow-x: hidden;
 }
 p {
-  font-size: 1.2em; /* 16px is the default em size */
-  line-height: 1.9555em; /* = 22px/14px */
+  font-size: 1.25em; /* 20px */
+  line-height: 1.5em; /* 24px */
   margin-bottom: 1.5em;
 }
 em {
@@ -44,26 +44,24 @@ pre > code {
 }
 h1, h2, h3, h4, h5, h6 {
   font-family: _font(family);
-  text-transform: uppercase;
-  font-weight: 700;
+  font-weight: 500;
   margin-bottom: 1.5em;
+  line-height: 1.5;
 }
 h1 {
-  font-size: 2.9em;
-  line-height: 1.1em;
+  font-size: 2.5em;
 }
 h2 {
-  font-size: 2em;
-  line-height: 2em;
+  font-size: 2.25em;
 }
 h3 {
+  font-size: 2em;
+}
+h4 {
   font-size: 1.5em;
-  line-height: 1,83333333333em;
-  font-family: _font(family);
-
 }
 ul, ol {
-  font-size: 1.2em;
+  font-size: 1.25em;
 }
 strong {
   font-weight: 500;

docs/themes/dyne-soft/assets/assets/sass/libs/_vars.scss

@@ -112,10 +112,64 @@
 
 }
 
+@font-face {
+  font-family: 'jakarta';
+  src: url('/tomb/assets/fonts/jakarta/webfonts/PlusJakartaSans-Regular.woff2'),
+       url('/tomb/assets/fonts/jakarta/ttf/PlusJakartaSans-Regular.ttf') format('ttf');
+  font-weight: normal;
+  font-style: normal;
+
+}
+
+@font-face {
+  font-family: 'jakarta';
+  src: url('/tomb/assets/fonts/jakarta/webfonts/PlusJakartaSans-Italic.woff2'),
+       url('/tomb/assets/fonts/jakarta/ttf/PlusJakartaSans-Italic.ttf') format('ttf');
+  font-weight: normal;
+  font-style: italic;
+
+}
+
+@font-face {
+  font-family: 'jakarta';
+  src: url('/tomb/assets/fonts/jakarta/webfonts/PlusJakartaSans-Medium.woff2'),
+       url('/tomb/assets/fonts/jakarta/ttf/PlusJakartaSans-Medium.ttf') format('ttf');
+  font-weight: 300;
+  font-style: normal;
+
+}
+
+@font-face {
+  font-family: 'jakarta';
+  src: url('/tomb/assets/fonts/jakarta/webfonts/PlusJakartaSans-MediumItalic.woff2'),
+       url('/tomb/assets/fonts/jakarta/ttf/PlusJakartaSans-MediumItalic.ttf') format('ttf');
+  font-weight: 300;
+  font-style: italic;
+
+}
+
+
+@font-face {
+  font-family: 'jakarta';
+  src: url('/tomb/assets/fonts/jakarta/webfonts/PlusJakartaSans-Bold.woff2'),
+       url('/tomb/assets/fonts/jakarta/ttf/PlusJakartaSans-Bold.ttf') format('ttf');
+  font-weight: 500;
+  font-style: normal;
+}
+
+  @font-face {
+    font-family: 'jakarta';
+    src: url('/tomb/assets/fonts/jakarta/webfonts/PlusJakartaSans-BoldItalic.woff2'),
+         url('/tomb/assets/fonts/jakarta/ttf/PlusJakartaSans-BoldItalic.ttf') format('ttf');
+    font-weight: 500;
+    font-style: italic;
+  }
+
+
 
 $font: (
   title:         ('syne', 'Arial', 'Helvetica', sans-serif),
-  family:        ('syne', 'Arial', 'Helvetica', sans-serif),
+  family:        ('jakarta', 'Arial', 'Helvetica', sans-serif),
   family-fixed:  ('syne-mono', 'dejavu_sans_monobook', 'Lucida Console', Monaco, monospace),
   weight:       200,
   weight-bold:  700,