Added MDI-scss. Slightly modified to match path structure.

components/01_Atoms/_atoms.scss

@@ -10,4 +10,4 @@
 @import 'tag/tag';
 @import 'message/message';
 @import 'pagination/pagination';
-@import 'fonts/fonts';
+@import 'materialdesignicons/materialdesignicons';

components/01_Atoms/materialdesignicons/_animated.scss

@@ -0,0 +1,27 @@
+// From Font Awesome
+.#{$mdi-css-prefix}-spin:before {
+    -webkit-animation: #{$mdi-css-prefix}-spin 2s infinite linear;
+            animation: #{$mdi-css-prefix}-spin 2s infinite linear;
+}
+
+@-webkit-keyframes #{$mdi-css-prefix}-spin {
+    0% {
+      -webkit-transform: rotate(0deg);
+              transform: rotate(0deg);
+    }
+    100% {
+      -webkit-transform: rotate(359deg);
+              transform: rotate(359deg);
+    }
+}
+
+@keyframes #{$mdi-css-prefix}-spin {
+    0% {
+      -webkit-transform: rotate(0deg);
+              transform: rotate(0deg);
+    }
+    100% {
+      -webkit-transform: rotate(359deg);
+              transform: rotate(359deg);
+    }
+}

components/01_Atoms/materialdesignicons/_core.scss

@@ -0,0 +1,10 @@
+.#{$mdi-css-prefix}:before,
+.#{$mdi-css-prefix}-set {
+  display: inline-block;
+  font: normal normal normal #{$mdi-font-size-base}/1 '#{$mdi-font-name}'; // shortening font declaration
+  font-size: inherit; // can't have font-size inherit on line above, so need to override
+  text-rendering: auto; // optimizelegibility throws things off #1094
+  line-height: inherit;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}

components/01_Atoms/materialdesignicons/_extras.scss

@@ -0,0 +1,65 @@
+$mdi-sizes: 18 24 36 48 !default;
+@each $mdi-size in $mdi-sizes {
+    .#{$mdi-css-prefix}-#{$mdi-size}px {
+        &.#{$mdi-css-prefix}-set,
+        &.#{$mdi-css-prefix}:before {
+            font-size: $mdi-size * 1px;
+        }
+    }
+}
+
+.#{$mdi-css-prefix}-dark {
+    &:before {
+        color: rgba(0, 0, 0, 0.54);
+    }
+    &.#{$mdi-css-prefix}-inactive:before {
+        color: rgba(0, 0, 0, 0.26);
+    }
+}
+.#{$mdi-css-prefix}-light {
+    &:before {
+        color: rgba(255, 255, 255, 1);
+    }
+    &.#{$mdi-css-prefix}-inactive:before {
+        color: rgba(255, 255, 255, 0.3);
+    }
+}
+
+$mdi-degrees: 45 90 135 180 225 270 315 !default;
+@each $mdi-degree in $mdi-degrees {
+    .#{$mdi-css-prefix}-rotate-#{$mdi-degree}{
+        &:before {
+            -webkit-transform: rotate(#{$mdi-degree}deg);
+            -ms-transform: rotate(#{$mdi-degree}deg);
+            transform: rotate(#{$mdi-degree}deg);
+        }
+        /*
+        // Not included in production
+        &.#{$mdi-css-prefix}-flip-h:before {
+            -webkit-transform: scaleX(-1) rotate(#{$mdi-degree}deg);
+            transform: scaleX(-1) rotate(#{$mdi-degree}deg);
+            filter: FlipH;
+            -ms-filter: "FlipH";
+        }
+        &.#{$mdi-css-prefix}-flip-v:before {
+            -webkit-transform: scaleY(-1) rotate(#{$mdi-degree}deg);
+            -ms-transform: rotate(#{$mdi-degree}deg);
+            transform: scaleY(-1) rotate(#{$mdi-degree}deg);
+            filter: FlipV;
+            -ms-filter: "FlipV";
+        }
+        */
+    }
+}
+.#{$mdi-css-prefix}-flip-h:before {
+    -webkit-transform: scaleX(-1);
+    transform: scaleX(-1);
+    filter: FlipH;
+    -ms-filter: "FlipH";
+}
+.#{$mdi-css-prefix}-flip-v:before {
+    -webkit-transform: scaleY(-1);
+    transform: scaleY(-1);
+    filter: FlipV;
+    -ms-filter: "FlipV";
+}

components/01_Atoms/materialdesignicons/_functions.scss

@@ -0,0 +1,20 @@
+@function char($character-code) {
+    @if function-exists("selector-append") {
+        @return unquote("\"\\#{$character-code}\"");
+    }
+
+    @if "\\#{'x'}" == "\\x" {
+        @return str-slice("\x", 1, 1) + $character-code;
+    }
+    @else {
+        @return #{"\"\\"}#{$character-code + "\""};
+    }
+}
+
+@function mdi($name) {
+    @if map-has-key($mdi-icons, $name) == false {
+        @warn "Icon #{$name} not found.";
+        @return "";
+    }
+    @return char(map-get($mdi-icons, $name));
+}

components/01_Atoms/materialdesignicons/_icons.scss

@@ -0,0 +1,10 @@
+@each $key, $value in $mdi-icons {
+    .#{$mdi-css-prefix}-#{$key}::before {
+        content: char($value);
+    }
+}
+
+.#{$mdi-css-prefix}-blank::before {
+    content: "\F68C";
+    visibility: hidden;
+}

components/01_Atoms/materialdesignicons/_materialdesignicons.scss

@@ -0,0 +1,8 @@
+/* MaterialDesignIcons.com */
+@import "variables";
+@import "functions";
+@import "path";
+@import "core";
+@import "icons";
+@import "extras";
+@import "animated";

components/01_Atoms/materialdesignicons/_path.scss

@@ -0,0 +1,10 @@
+@font-face {
+  font-family: '#{$mdi-font-name}';
+  src: url('#{$mdi-font-path}/#{$mdi-filename}-webfont.eot?v=#{$mdi-version}');
+  src: url('#{$mdi-font-path}/#{$mdi-filename}-webfont.eot?#iefix&v=#{$mdi-version}') format('embedded-opentype'),
+    url('#{$mdi-font-path}/#{$mdi-filename}-webfont.woff2?v=#{$mdi-version}') format('woff2'),
+    url('#{$mdi-font-path}/#{$mdi-filename}-webfont.woff?v=#{$mdi-version}') format('woff'),
+    url('#{$mdi-font-path}/#{$mdi-filename}-webfont.ttf?v=#{$mdi-version}') format('truetype');
+  font-weight: normal;
+  font-style: normal;
+}

components/main.scss

@@ -43,12 +43,6 @@
     font-display: swap;
     src: local('Montserrat Bold'), local('Montserrat-Bold'), url(fonts/Montserrat/Montserrat-Bold.woff2) format('woff2');
 }
-@font-face {
-    font-family: 'Material Icons';
-    font-style: normal;
-    font-weight: 400;
-    src: local("MaterialIcons Regular"), local("MaterialIcons-Regular"), url(fonts/MaterialDesignIcons/MaterialIcons-Regular.woff2) format('woff2');
-}
   
 // Define global color variables.
 $-beige: #D7CEC7;