First pass new notification component

core/client/app/styles/components/notifications.css

@@ -1,2 +1,49 @@
 /* Notifications
 /* ---------------------------------------------------------- */
+
+.gh-notification {
+    position: fixed;
+    bottom: 20px;
+    left: 20px;
+    display: flex;
+    padding: 4px;
+    width: 220px;
+    border: #e1e1e1 1px solid;
+    background: rgba(255,255,255,0.93);
+    border-radius: 4px;
+    box-shadow: rgba(0,0,0,0.06) 0 1px 7px;
+    color: #828282;
+    font-size: 1.2rem;
+    line-height: 1.4em;
+}
+
+.gh-notification-content {
+    flex-grow: 1;
+    padding: 10px 15px;
+    border-radius: 3px;
+    transition: background 0.2s ease;
+}
+
+.gh-notification:hover {
+    cursor: pointer;
+}
+
+.gh-notification:hover .gh-notification-content {
+    background: color(var(--blue) lightness(+34%));
+}
+
+.gh-notification-close {
+    position: absolute;
+    top: 0;
+    right: 0;
+    padding: 6px 6px 5px 5px;
+    background: #fff;
+    border-radius: 0 4px 0 4px;
+    font-size: 7px;
+    line-height: 5px;
+}
+
+.gh-notification-close:hover {
+    background: #fff;
+    color: var(--red);
+}

core/client/app/templates/components/gh-notification.hbs

@@ -1,6 +1,6 @@
-<section class="js-notification {{typeClass}}">
+<article class="gh-notification js-notification {{typeClass}}">
-    <span class="notification-message">
+    <div class="gh-notification-content">
         {{message.message}}
-    </span>
+    </div>
-    <button class="close icon-x" {{action "closeNotification"}}><span class="hidden">Close</span></button>
+    <button class="gh-notification-close icon-x" {{action "closeNotification"}}><span class="hidden">Close</span></button>
-</section>
+</article>