Make visibility icon more noticable

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/stylesheets/sections/projects.scss

@@ -57,7 +57,7 @@
     font-size: 17px;
     background: #f1f1f1;
     border-radius: 4px;
-    color: #888;
+    color: #444;
     position: absolute;
     margin-left: -55px;
     text-shadow: 0 1px 1px #FFF;