Revert "Add html5 & respond IE 7-8"

This reverts commit 86239a0f0d5f1a2bcd82442a79d8ace8fdd5d602.
Revert "Revert "Add html5 & respond IE 7-8""

This reverts commit 1389c66f71d9d320eb6a11e120665f1a00939724.