feat(API-1947): Add 'All guided tutorials' button in each guided tutorials

Author: Samuel Gomis

src/partials/guided-tutorials.handlebars

@@ -2,6 +2,14 @@
 {{#> layout title=title }}
     <div class="container">
         <div class="row guided-tutorials">
+            <div class="col-sm-offset-4 col-sm-8 col-xs-12">
+                <a href="/tutorials/homepage.html" class="back-button">
+                    <button>
+                        <img src="/img/icons/icon--arrow-back.svg" style="margin-right: 10px;">
+                        All guided tutorials
+                    </button>
+                </a>
+            </div>
             {{{mainContent}}}
         </div>
     </div>

styles/guided-tutorial.less

@@ -98,9 +98,7 @@
         box-sizing: border-box;
 
         padding: 4px 12px;
-
-        /*width: 224px;*/
-        /*height: 32px;*/
+        margin-top: 70px;
 
         background: #FFFFFF;
 
@@ -119,6 +117,10 @@
         background-color: #F1F4F9;
     }
 
+    .back-button:hover {
+       text-decoration: none;
+    }
+
     .tag-container, .tag-container-xs {
         margin-top: 27px;
     }
@@ -256,6 +258,10 @@
         line-height: 60px;
     }
 
+    .guided-tutorials h1 {
+        margin-top: 40px;
+    }
+
     /********************* TILE ************************/
     .tile {
         position: relative;