coach wording and style

app/views/base/topmenu.scala.html

@@ -16,7 +16,9 @@
       <a href="@routes.Puzzle.home">@trans.training()</a>
       <a href="@routes.Coordinate.home">@trans.coordinates()</a>
       <a href="@routes.Study.allDefault(1)">Study</a>
+      @if(isGranted(_.Coach)) {
       <a href="@routes.Coach.allDefault(1)">Chess coaches</a>
+      }
     </div>
   </section>
   <section>

app/views/coach/index.scala.html

@@ -3,9 +3,9 @@
 @side = {
 <div class="coach-intro">
   <img src="@staticUrl("images/icons/certification.svg")" class="certification" />
-  <h2>Selected coaches</h2>
+  <h2>Certified coaches</h2>
   <p>
-    We have curated for you this list of the best online chess coaches.
+    We have curated this list of the best online chess coaches.
   </p>
   <p>
     All of these renowned players have great chess skills,
@@ -13,7 +13,7 @@
   </p>
   <p>
     You cannot go wrong with them, so
-    make your choice, and enjoy learning chess!
+    make your choice and enjoy learning chess!
   </p>
 </div>
 <div class="coach-add">

app/views/coach/reviewForm.scala.html

@@ -8,7 +8,7 @@
   </div>
   } else {
   @if(ctx.isAuth) {
-  <button class="button toggle">Review this coach</button>
+  <a class="button toggle">Write a review</a>
   } else {
   <a href="@routes.Auth.login?autoref=1" class="button">Review this coach</a>
   }

public/stylesheets/coach.css

@@ -114,6 +114,9 @@ body.dark .coach .studies h1 {
   margin-top: 30px;
   text-align: center;
 }
+.review-form .toggle {
+  box-sizing: border-box;
+}
 .review-form form {
   display: none;
 }
@@ -130,7 +133,7 @@ body.dark .coach .studies h1 {
   margin-top: 5px;
 }
 .reviews {
-  margin-top: 20px;
+  margin: 20px 0;
 }
 .reviews h2 {
   font-size: 1.5em;
@@ -139,7 +142,7 @@ body.dark .coach .studies h1 {
 }
 .reviews .review {
   margin-top: 15px;
-  border-top: 1px solid #ccc;
+  border-top: 1px solid #dadada;
   padding-top: 15px;
 }
 .reviews .top {