move css styles of support-tab to its own file

src/app/tabs/styles/support-tab-styles.js

+var csjs = require('csjs-inject')
+var styleGuide = require('remix-lib').ui.themeChooser
+var styles = styleGuide.chooser()
+
+var css = csjs`
+  .supportTabView {
+    height: 100vh;
+    padding: 2%;
+    padding-bottom: 3em;
+    display: flex;
+    flex-direction: column;
+    overflow: hidden;
+  }
+  .chat {
+    ${styles.rightPanel.supportTab.box_IframeContainer}
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    height: 85%;
+    padding: 0;
+  }
+  .chatTitle {
+    height: 40px;
+    width: 90%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    margin-top: 15px;
+  }
+  .chatTitle:hover {
+    cursor: pointer;
+  }
+  .icon {
+    height: 70%;
+    margin-right: 2%;
+  }
+  .chatTitleText {
+    font-size: 17px;
+    font-weight: bold;
+  }
+  .chatTitleText {
+    opacity: 0.8;
+  }
+  .chatIframe {
+    width: 100%;
+    height: 100%;
+    transform: scale(0.9);
+    padding: 0;
+    border: none;
+  }
+  .infoBox {
+    ${styles.rightPanel.supportTab.box_SupportInfo}
+  }
+`
+
+module.exports = css

src/app/tabs/support-tab.js

 var yo = require('yo-yo')
 
-// -------------- styling ----------------------
-var csjs = require('csjs-inject')
-var styleGuide = require('remix-lib').ui.themeChooser
-var styles = styleGuide.chooser()
-
-var css = csjs`
-  .supportTabView {
-    height: 100vh;
-    padding: 2%;
-    padding-bottom: 3em;
-    display: flex;
-    flex-direction: column;
-    overflow: hidden;
-  }
-  .chat {
-    ${styles.rightPanel.supportTab.box_IframeContainer}
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    height: 85%;
-    padding: 0;
-  }
-  .chatTitle {
-    height: 40px;
-    width: 90%;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    margin-top: 15px;
-  }
-  .chatTitle:hover {
-    cursor: pointer;
-  }
-  .icon {
-    height: 70%;
-    margin-right: 2%;
-  }
-  .chatTitleText {
-    font-size: 17px;
-    font-weight: bold;
-  }
-  .chatTitleText {
-    opacity: 0.8;
-  }
-  .chatIframe {
-    width: 100%;
-    height: 100%;
-    transform: scale(0.9);
-    padding: 0;
-    border: none;
-  }
-  .infoBox {
-    ${styles.rightPanel.supportTab.box_SupportInfo}
-  }
-`
+var css = require('./styles/support-tab-styles')
 
 var infoText = yo`
   <div>
@@ -65,8 +11,6 @@ var infoText = yo`
   </div>
 `
 
-module.exports = supportTab
-
 function supportTab (container, appAPI, events, opts) {
   var el = yo`
     <div class="${css.supportTabView} "id="supportView">
@@ -90,3 +34,5 @@ function supportTab (container, appAPI, events, opts) {
 function openLink () {
   window.open('https://gitter.im/ethereum/remix')
 }
+
+module.exports = supportTab