Videos are not aligned as shown in the theme demo of rockstar

This is my website http://ishleenkaur.com/. There are many issues that i am facing. 1) Where can I set the latest news? 2) Youtubes videos are not aligned, you can check on the website http://ishleenkaur.com/ 3) There should be space between instagram posts. 4) How can I hide HOME text from the screen. 5) Follow Us content is not centre aligned as shown in the theme. 6) Even navigation links showing as listing. it should show like Home / Gallery 7) I have added content in the footer1/2/3 but no content is shown on the screen, so i have to add every widget in Before Content. Please check and help. THanks in Advance :)