[ADD] IPOA-192 placeholder image
[UPDATE] IPOA-192 prevent any x-axis scroll
[UPDATE] IPOA-192 adding various vars to use in other files
[UPDATE] IPOA-192 start page content
[UPDATE] IPOA-192 content page content
[UPDATE] IPOA-192 body CSS class for content pages
[UPDATE] IPOA-192 various Sass extends and mixing to use in others contexts
[UPDATE] IPOA-192 start.scss
[ADD] IPOA-192 added footer-hide.scss, head.scss, main.css, more.scss, nav.scss
[UPDATE] IPOA-192 import various Sass files in main Sass file
[UPDATE] IPOA-192 JS for hidden footer and nav