Gateway is a wordpress theme developed by Rescue Themes. Gateway is the perfect mix of class and elegance, a traditional yet customizable home for your content. Reinforce your brand with a site logo, add a bold header image and call to action, and showcase your best posts or a video with a special Homepage template. In wordpress.com you can use this theme for free. You can check demo of Gateway by Rescue Themes.
Here I am sharing you some css customization using which you can give your Gateway theme a new look.
You can download Gateway By Rescue Themes (Parent theme)
Also, to edit or modify the theme Download Gateway By Rescue Themes (Child theme)
You can ask question regarding any issue you are facing.