Shipping page customer's text applied

Edited: _2Bhip_styles.css, index.html
Exchange & Return updated w/ customer text

Edited: _2Bhip_styles.css, index.html
Contact page updated w/ customer text

Edited: index.html
Edited: _2Bhip_styles.css, index.html
Loading screen added

Loading screen gif added to images folder.
The commit directly before this one:
"0fc381f: Edited: _2Bhip_styles.css, index.html"
was accidentally commited before it had a  Commit message. This commit
is just to provide that info.