If the user inputted a negative number, it was changed to it's absolute value + BCE
Made it so if the year was NaN and a string (an empty string) it prompts the user to input somethign
Changed some of the wording around in the war-messages
Added some more text and line breaks for formatting
Added function to open links in new tabs
Changed some wording
Added event.preventDefault
Added event listeners for the history and ryan buttons
Deleted some unnecessary whitespace
Changed the wording a bit in the description
Added buttons to my homepage and the SYMIHC homepage
Styling
Merge pull request #3 from RyanVerhey/html-and-css

Html and css