I am trying to find out how to use css to edit my profile on Myspace.windows93.net.Can someone check if my CSS is right?

Question

body {background-color:000000;background-image:url(https://i.pinimg.com/736x/11/ae/15/11ae154402fdc5bf65bd61dfe17cb687.jpg);background-repeat:repeat-x;background-position:top