Minor UX css styles

app/styles/components/assigned-to.scss

@@ -24,7 +24,7 @@
             right: 1rem;
             top: 1rem;
             &:hover {
-                color: $green-taiga;
+                color: $red;
             }
         }
     }

app/styles/layout/us-detail.scss

@@ -199,12 +199,18 @@
 .issue-data {
     div {
         @include clearfix();
+        @include transition(background .2s ease-in);
         background: darken($whitish, 5%);
+        cursor: pointer;
         margin-bottom: 1rem;
         padding: .5rem;
         &:last-child {
             margin: 0;
         }
+        &:hover {
+            @include transition(background .2s ease-in);
+            background: darken($whitish, 10%);
+        }
     }
     .level {
         display: inline-block;
@@ -280,6 +286,7 @@
         }
     }
     label {
+        cursor: pointer;
         &+input {
             display: none;
         }