Add icons to notifications

And some space between each of them

Fix #139

static/main.css

@@ -468,7 +468,7 @@ form.new-post input[type="submit"]:hover { background: #DADADA; }
 .list .card {
 /* TODO */
 	background: 0;
-	margin: 0;
+	margin: 2em 0;
 	padding: 0;
 	min-height: 0;
 }
@@ -555,3 +555,22 @@ form.new-post input[type="submit"]:hover { background: #DADADA; }
 .pagination > * {
 	padding: 2em;
 }
+
+/*== Flex boxes ==*/
+.flex {
+	display: flex;
+	flex-direction: row;
+}
+
+.flex .grow {
+	flex: 1;
+}
+
+.left-icon {
+	align-self: center;
+	padding: 1em;
+	background: #DADADA;
+	border-radius: 50px;
+	margin: 1em;
+	margin-right: 2em;
+}