Adds the question mark and css rules for tooltip

Author: pabloalvarezauth0

package-lock.json

@@ -234,6 +234,38 @@ body
         color white
         padding-right 10px
 
+      .crafted-by__question-mark
+        background-color #555
+        color black
+        font-size 10px
+        border-radius 50%
+        width 14px
+        height 14px
+        display inline-block
+        margin-left 10px
+        vertical-align middle
+        transition background-color .5s
+        ../
+          &:before
+            content "Learn more about Auth0"
+            position absolute
+            min-width 180px
+            top 32px
+            background-color #555
+            color white
+            border-radius 3px
+            padding 4px
+            transition visibility 0s, opacity .5s
+            visibility hidden
+            opacity 0
+          &:hover
+            .crafted-by__question-mark
+              background-color white
+            &:before
+              opacity 1
+              visibility visible
+
+
   .supported
     display none
 

stylus/website/index.styl

@@ -22,8 +22,9 @@ block content
         a.a0(href='https://auth0.com/?utm_source=jwtio&utm_campaign=craftedby', target='_blank')
           span.by-text Crafted by
           img(src='/img/pic_logo_ft.svg', alt='Token Based Authentication')
+          span.crafted-by__question-mark ?
 
-      a.supported(href='https://auth0.com/?utm_source=jwtio&utm_campaign=craftedby', target="_blank")
+  a.supported(href='https://auth0.com/?utm_source=jwtio&utm_campaign=craftedby', target="_blank")
           | Supported by
           img(src='/img/ico_logo.svg', alt='Token Based Authentication')
 
@@ -39,7 +40,7 @@ block content
       p JWT.IO allows you to decode, verify and generate JWT.
 
       a.btn.btn-lg(href="/introduction") Learn more about jwt
-  
+
   include ebook.pug
 
   include token-editor.pug