style.css changes to mobile

still working on this
header.php

add seo function
functions.php

add SEO code for meta data, title
front-page.php show content

add SEO title tag, show content, then show latest 3 posts
page.php

remove double call for slider, change id to match front-page.php
add "posted by" and "category"
single.php

added single quotes within function on line 15
the_content(' ')