feat: new dark theme

src/components/modals/main/scss/index.scss

@@ -6,8 +6,8 @@
 @import 'settings/dropdown';
 
 .Modal {
-  color: map-get($modal, 'text');
-  background-color: map-get($modal, 'background');
+  color: var(--modal-text);
+  background-color: var(--background);
   box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
   border: none;
   opacity: 1;
@@ -113,7 +113,7 @@ ul.sidebar {
   margin: 0;
   padding-left: 0;
   height: 100vh;
-  background: #f0f0f0;
+  background: var(--sidebar);
   left: 0;
   border-radius: 12px 0 0 12px;
   text-align: left;
@@ -163,7 +163,7 @@ li {
 }
 
 .tab-list-active {
-  background: rgba(219, 219, 219, 0.72);
+  background: var(--tab-active);
 }
 
 @media only screen and (max-height: 898px) {
@@ -190,7 +190,7 @@ li {
 
 .tab-list-item {
   &:hover {
-    background: rgba(219, 219, 219, 0.8);
+    background: var(--tab-active);
   }
 }
 

src/components/modals/main/scss/settings/_dropdown.scss

@@ -2,12 +2,11 @@
   select {
     margin-left: 10px;
     width: 120px;
-    color: map-get($modal, 'text');
-    background: #f0f0f0;
+    color: var(--modal-text);
+    background: var(--sidebar);
     border: none;
     padding: 10px 10px;
     border-radius: 5px;
-
   }
 
   select#language {

src/components/modals/main/scss/settings/_main.scss

@@ -5,8 +5,8 @@
 input {
   &[type=text] {
     width: 200px;
-    color: black;
-    background: #f0f0f0;
+    color: var(--modal-text);
+    background: var(--sidebar);
     border: none;
     padding: 10px 10px;
     border-radius: 5px;
@@ -135,32 +135,6 @@ input[type=color]::-moz-color-swatch {
   vertical-align: middle;
 }
 
-// Dark Theme
-.dark {
-
-  #blurRange,
-  #brightnessRange {
-    background-color: #535c68;
-  }
-
-  #customBackground,
-  #backgroundAPI,
-  #searchEngine,
-  #language,
-  #greetingName,
-  #customSearchEngine {
-    color: white;
-  }
-
-  .choices {
-    background-color: white;
-  }
-
-  .modalLink {
-    color: #3498db;
-  }
-}
-
 .nodropdown {
   cursor: default;
 }