Reuse CSS variables

css/converse.css

@@ -9302,14 +9302,18 @@ readers do not read off random characters that represent icons */
 #conversejs, #conversejs-bg, .converse-fullscreen {
   --subdued-color: #A8ABA1;
   --subdued-color-lighten-25-percent: #e6e7e4;
-  --chat-status-online: #3AA569;
-  --chat-status-busy: #E77051;
-  --chat-status-away: #E7A151;
+  --green: #3AA569;
+  --redder-orange: #E77051;
+  --orange: #E7A151;
+  --light-blue: #578EA9;
+  --chat-status-online: var(--green);
+  --chat-status-busy: var(--redder-orange);
+  --chat-status-away: var(--orange);
   --brand-heading-color: #387592;
   --completion-light-color: #FFB9A7;
-  --completion-normal-color: #E77051;
+  --completion-normal-color: var(--redder-orange);
   --completion-dark-color: #D24E2B;
-  --link-color: #578EA9;
+  --link-color: var(--light-blue);
   --link-color-darken-20-percent: #345566;
   --link-color-lighten-10-percent: #79a5ba;
   --dark-link-color: #206485;
@@ -9319,8 +9323,8 @@ readers do not read off random characters that represent icons */
   --text-color: #666;
   --text-color-lighten-15-percent: #8c8c8c;
   --message-text-color: #555;
-  --message-receipt-color: #3AA569;
-  --save-button-color: #3AA569;
+  --message-receipt-color: var(--green);
+  --save-button-color: var(--green);
   --message-avatar-width: 36px;
   --message-avatar-height: 36px;
   --chat-textarea-color: #666;
@@ -9332,7 +9336,7 @@ readers do not read off random characters that represent icons */
   --inline-action-margin: 0.75em;
   --roster-height: 194px;
   --flyout-padding: 1.2em;
-  --chat-head-color: #3AA569;
+  --chat-head-color: var(--green);
   --chat-head-color-dark: #1E9652;
   --chat-head-color-darker: #0E763B;
   --chat-head-color-lighten-50-percent: #e7f7ee;
@@ -9341,11 +9345,11 @@ readers do not read off random characters that represent icons */
   --chat-topic-display: block;
   --chat-info-display: block;
   --highlight-color: #DCF9F6;
-  --primary-color: #578EA9;
+  --primary-color: var(--light-blue);
   --primary-color-dark:  #397491;
   --secondary-color: #818479;
   --secondary-color-dark: #585B51;
-  --warning-color: #E7A151;
+  --warning-color: var(--orange);
   --warning-color-dark: #D2842B;
   --danger-color: #D24E2B;
   --danger-color-dark: #A93415;
@@ -9355,7 +9359,7 @@ readers do not read off random characters that represent icons */
   --button-border-radius: 5px;
   --chatbox-border-radius: 4px;
   --controlbox-width: 250px;
-  --controlbox-head-color: #578EA9;
+  --controlbox-head-color: var(--light-blue);
   --controlbox-head-color-lighten-45-percent: #eff4f7;
   --controlbox-pane-background-color: white;
   --controlbox-heading-color: inherit;
@@ -9369,7 +9373,7 @@ readers do not read off random characters that represent icons */
   --branding-font: 'Baumans', cursive;
   --heading-display: block;
   --heading-color: white;
-  --chatroom-head-color: #E77051;
+  --chatroom-head-color: var(--redder-orange);
   --chatroom-head-color-dark: #D24E2B;
   --chatroom-head-color-lighten-25-percent: #f6ccc1;
   --chatroom-head-button-color: var(--chatroom-head-color);
@@ -9385,7 +9389,7 @@ readers do not read off random characters that represent icons */
   --chatroom-correcting-color: #fadfd7;
   --chatroom-badge-color: var(--chatroom-head-color);
   --chatroom-badge-hover-color: var(--chatroom-head-color-dark);
-  --headline-head-color: #E7A151;
+  --headline-head-color: var(--orange);
   --headline-message-color: #D2842B;
   --chatbox-button-size: 14px;
   --fullpage-chatbox-button-size: 16px;
@@ -9465,7 +9469,7 @@ readers do not read off random characters that represent icons */
   --chatroom-head-description-padding-left: 12px;
   --chatroom-head-border-bottom: 1px solid #EEE;
   --chatroom-correcting-color: #FFFFC0;
-  --chatroom-badge-color: #E77051;
+  --chatroom-badge-color: var(--redder-orange);
   --chatroom-badge-hover-color: #D24E2B;
   --occupants-background-color: #F3F3F3;
   /* TODO: find a way to allow that and reflow the chat-area properly.

sass/_variables.scss

@@ -5,17 +5,22 @@ $mobile_portrait_length: 480px !default;
     --subdued-color: #A8ABA1;
     --subdued-color-lighten-25-percent: #e6e7e4; // lighten(#A8ABA1, 25%)
 
-    --chat-status-online: #3AA569; // $green
-    --chat-status-busy: #E77051; // $red
-    --chat-status-away: #E7A151; // $orange
+    --green: #3AA569;
+    --redder-orange: #E77051;
+    --orange: #E7A151;
+    --light-blue: #578EA9;
+
+    --chat-status-online: var(--green);
+    --chat-status-busy: var(--redder-orange);
+    --chat-status-away: var(--orange);
 
     --brand-heading-color: #387592; // $blue
 
     --completion-light-color: #FFB9A7; // $lightest-red
-    --completion-normal-color: #E77051; // $red
+    --completion-normal-color: var(--redder-orange);
     --completion-dark-color: #D24E2B; // $dark-red
 
-    --link-color: #578EA9; // $light-blue
+    --link-color: var(--light-blue);
     --link-color-darken-20-percent: #345566; // darken($light-blue, 20%)
     --link-color-lighten-10-percent: #79a5ba; // lighten($light-blue, 10%)
     --dark-link-color: #206485; // $dark-blue
@@ -26,8 +31,8 @@ $mobile_portrait_length: 480px !default;
     --text-color: #666;
     --text-color-lighten-15-percent: #8c8c8c; // lighten(#666, 15%)
     --message-text-color: #555;
-    --message-receipt-color: #3AA569; // $green
-    --save-button-color: #3AA569; // $green
+    --message-receipt-color: var(--green);
+    --save-button-color: var(--green);
 
     --message-avatar-width: 36px;
     --message-avatar-height: 36px;
@@ -46,7 +51,7 @@ $mobile_portrait_length: 480px !default;
 
     --flyout-padding: 1.2em;
 
-    --chat-head-color: #3AA569; // $green
+    --chat-head-color: var(--green);
     --chat-head-color-dark: #1E9652;
     --chat-head-color-darker: #0E763B;
     --chat-head-color-lighten-50-percent: #e7f7ee; // lighten($green, 50%)
@@ -58,13 +63,13 @@ $mobile_portrait_length: 480px !default;
 
     --highlight-color: #DCF9F6;
 
-    --primary-color: #578EA9; // blue
+    --primary-color: var(--light-blue);
     --primary-color-dark:  #397491;
 
     --secondary-color: #818479; // gray
     --secondary-color-dark: #585B51;
 
-    --warning-color: #E7A151; // orange
+    --warning-color: var(--orange);
     --warning-color-dark: #D2842B;
 
     --danger-color: #D24E2B; // dark-red
@@ -79,7 +84,7 @@ $mobile_portrait_length: 480px !default;
     --chatbox-border-radius: 4px;
 
     --controlbox-width: 250px;
-    --controlbox-head-color: #578EA9; // $light-blue
+    --controlbox-head-color: var(--light-blue);
     --controlbox-head-color-lighten-45-percent: #eff4f7; // lighten($light-blue, 45%)
     --controlbox-pane-background-color: white;
     --controlbox-heading-color: inherit;
@@ -100,7 +105,7 @@ $mobile_portrait_length: 480px !default;
     --heading-display: block;
     --heading-color: white;
 
-    --chatroom-head-color: #E77051; // $orange
+    --chatroom-head-color: var(--redder-orange);
     --chatroom-head-color-dark: #D24E2B; // $red
     --chatroom-head-color-lighten-25-percent: #f6ccc1; // lighten($red, 25%)
     --chatroom-head-button-color: var(--chatroom-head-color);
@@ -117,7 +122,7 @@ $mobile_portrait_length: 480px !default;
     --chatroom-badge-color: var(--chatroom-head-color);
     --chatroom-badge-hover-color: var(--chatroom-head-color-dark);
 
-    --headline-head-color: #E7A151; // $orange
+    --headline-head-color: var(--orange);
     --headline-message-color: #D2842B;
 
     --chatbox-button-size: 14px;
@@ -214,7 +219,7 @@ $mobile_portrait_length: 480px !default;
     --chatroom-head-description-padding-left: 12px;
     --chatroom-head-border-bottom: 1px solid #EEE;
     --chatroom-correcting-color: #FFFFC0;
-    --chatroom-badge-color: #E77051; // $orange
+    --chatroom-badge-color: var(--redder-orange);
     --chatroom-badge-hover-color: #D24E2B; // $red
 
     --occupants-background-color: #F3F3F3;