.header{left:0;position:fixed;top:0;width:100%;z-index:2}.btn__back-to-posts{background-color:#eaeaea;border-radius:50px;margin:0 20px;padding:20px;transition:all .25s ease}.btn__back-to-posts:hover{background-color:#000;color:#fff}.blog-listing__post-tag{background-color:#000}