addresses Issue #2 Issue with wider screen or less paragraphs. Makes it to where the add-box appears via a percentage instead of 800px
Addressed issue #3 added function to change direction of the add-box arrow so it allows points to where the ad will go
makes variable names more clear as to what they do/are
Merge pull request #4 from Allenardo/master

addresses Issue #2 and Issue #3 and gives variables better names