Website question help!!?

Okay so I have been wanting to make a nice good website for a while now (3/4 years) and now I need one for certain reasons and I was wondering if Anyone knows how these websites were made? like what did they use? go to the links here please: 1st one http://www.little-mix.com/gb/home 2nd http://www.onedirectionmusic.com/us/ . I like the web designes On the little mix websites I like the Mixer mag, that would be cool to make one....but without it being called The mixer mag. I need all the help I can get. Thanks so much!!