Use custom checkbox

Author: simurai

lib/welcome-view.coffee

@@ -37,7 +37,7 @@ class WelcomeView extends ScrollView
             @li => @raw 'The <a href="https://github.com/atom" data-event="atom-org">Atom org</a>. This is where all GitHub-created Atom packages can be found.'
 
         @section class: 'welcome-panel', =>
-          @input type: 'checkbox', id: 'show-welcome-on-startup'
+          @input class: 'input-checkbox', type: 'checkbox', id: 'show-welcome-on-startup'
           @label for: 'show-welcome-on-startup', 'Show Welcome Guide when opening Atom'
 
         @footer class: 'welcome-footer', =>

styles/welcome.less

@@ -24,11 +24,15 @@
   }
 
   label {
-    margin-left: 1em;
     margin-top: 1em;
     font-weight: normal;
   }
 
+  .input-checkbox {
+    margin-top: -.2em;
+    margin-right: .5em;
+  }
+
   // Components ----------------------
 
   &-container {