Revert "Update index, style.css, responsive.js"

This reverts commit 2c14793c53fd03389379ed37e3e827a8b75b0c4a.
Revert "Revert "Update index, style.css, responsive.js""

This reverts commit 30bab33141312dbddf2baf1cb90791d9e5b17006.
Revert/unrevert