To log into the site, go to the upper right hand corner of the screen.
1st box : Enter your email address (the email address that you used to sign up with the site)
2nd box: Enter the password that you chose when signing up.
Clicking to check mark the "Remember" will make it so you don't have to log in every time you come to the site and will help with various other aspects of the site.
Click on the log in box.
If you forget your password click on FORGOT PASSWORD and follow the instructions to have the password sent to you.
NOTE: It will send the password to the email address that you used when signing up, so beware on using a fake email address or make sure to update your account with a current email address if it ever changes.