`font-weight` unify

scss/_variables.scss

@@ -5,7 +5,7 @@ $enable-extra-colors: true !default;
 $enable-gradients: false !default;
 
 // FONTS
-$google-font: "Nunito" !default;
+$google-font: "Source Sans Pro" !default;
 
 $font-family-sans-serif: $google-font, -apple-system, blinkmacsystemfont, segoe ui, helvetica, arial, sans-serif, apple color emoji, segoe ui emoji, segoe ui symbol !default;
 $font-family-serif: "Georgia", "Times New Roman", times, serif !default;
@@ -110,6 +110,7 @@ $avatar-sizes: (
 
 //Fonts
 $font-size-base: .9375rem !default;
+$font-weight-bold: 600 !default;
 $line-height-base: 1.6 !default;
 $body-letter-spacing: null !default;
 
@@ -118,7 +119,7 @@ $border-width-wide: 2px !default;
 $border-radius: 3px !default;
 
 //Typography
-$headings-font-weight: 600 !default;
+$headings-font-weight: $font-weight-bold !default;
 
 $small-font-size: 87.5% !default;
 
@@ -182,7 +183,7 @@ $container-max-widths: (
 ) !default;
 
 //alerts
-$alert-link-font-weight: 600 !default;
+$alert-link-font-weight: $font-weight-bold !default;
 
 //breadcrumb
 $breadcrumb-variants: (
@@ -192,7 +193,7 @@ $breadcrumb-variants: (
 ) !default;
 
 //badges
-$badge-font-weight: 500 !default;
+$badge-font-weight: $font-weight-bold !default;
 $badge-empty-size: .5rem !default;
 
 //buttons
@@ -212,7 +213,7 @@ $input-height-sm: null !default;
 $input-height-lg: null !default;
 
 $btn-padding-x: 1rem !default;
-$btn-font-weight: 500 !default;
+$btn-font-weight: $font-weight-bold !default;
 $btn-border-radius: 3px !default;
 
 //cards

scss/mixins/_mixins.scss

 @mixin subheader($include-color: true) {
   font-size: $h6-font-size;
-  font-weight: 600;
+  font-weight: $font-weight-bold;
   text-transform: uppercase;
   letter-spacing: .04em;
 

scss/ui/_forms.scss

@@ -6,7 +6,7 @@ textarea {
 
 .form-label {
   font-size: $h4-font-size;
-  font-weight: 600;
+  font-weight: $font-weight-bold;
   display: block;
   margin-bottom: .5rem;
 }

scss/ui/_highlight.scss

@@ -232,7 +232,7 @@
   .c1 { color: #75715e; } /* Comment.Single */
   .cs { color: #75715e; } /* Comment.Special */
   .ge { font-style: italic; } /* Generic.Emph */
-  .gs { font-weight: 700; } /* Generic.Strong */
+  .gs { font-weight: $font-weight-bold; } /* Generic.Strong */
   .kc { color: #66d9ef; } /* Keyword.Constant */
   .kd { color: #66d9ef; } /* Keyword.Declaration */
   .kn { color: #f92672; } /* Keyword.Namespace */

scss/ui/_lists.scss

@@ -93,7 +93,7 @@
 
 .list-timeline-title {
   margin: 0;
-  font-weight: 600;
+  font-weight: $font-weight-bold;
 }
 
 .list-timeline-content {
@@ -154,7 +154,7 @@
     }
 
     &.active {
-      font-weight: 600;
+      font-weight: $font-weight-bold;
       color: $primary;
       background: rgba($primary, .06);
 

scss/ui/_nav.scss

@@ -34,7 +34,7 @@
 .nav-tabs-alt {
   .nav-link {
     font-size: 13px;
-    font-weight: 600;
+    font-weight: $font-weight-bold;
     text-transform: uppercase;
   }
 }

scss/ui/_ribbons.scss

@@ -7,7 +7,7 @@
   z-index: 1;
   padding: .25rem .75rem;
   font-size: $h6-font-size;
-  font-weight: 700;
+  font-weight: $font-weight-bold;
   line-height: 1.5rem;
   color: #fff;
   text-align: center;

scss/ui/_stamps.scss

@@ -9,7 +9,7 @@
 
   padding: 0 .25rem;
   font-size: $font-size-base;
-  font-weight: 600;
+  font-weight: $font-weight-bold;
   color: $text-muted;
   text-align: center;
   background: $gray-200;

scss/ui/_steps.scss

@@ -87,7 +87,7 @@
   }
 
   &.active {
-    font-weight: 600;
+    font-weight: $font-weight-bold;
 
     &::before {
       background: #fff;

scss/ui/_typo.scss

@@ -28,7 +28,7 @@ h6,
 
 strong,
 b {
-  font-weight: 600;
+  font-weight: $font-weight-bold;
 }
 
 blockquote {

scss/vendor/_apexcharts.scss

 .apexcharts-title-text {
-  font-weight: 600 !important;
+  font-weight: $font-weight-bold !important;
 }
 
 .apexcharts-tooltip-title {
-  font-weight: 600 !important;
+  font-weight: $font-weight-bold !important;
   padding-bottom: .25rem !important;
 }
 

scss/vendor/_fullcalendar.scss

@@ -32,7 +32,7 @@
 
   .fc-day-header {
     padding-bottom: .25rem;
-    font-weight: 600;
+    font-weight: $font-weight-bold;
   }
 
   &.card-calendar {
@@ -51,7 +51,7 @@
   }
 
   .fc-time {
-    font-weight: 600;
+    font-weight: $font-weight-bold;
   }
 
   .fc-event {