if you are talking about the messy raw code layout + music player not working, i see that WYSIWYG has been enabled at some point and would highly suggest you disable WYSIWYG from your display settings and use the code editor for editing HTML codes (this is addressed in my rules).

otherwise, if you're talking about why some of the header text doesn't change colour, that's a CSS thing (the CSS is just missing a rare code class that i use in my codes).  try adding this under your current CSS import link:

.text-body {color: #fff !important;}

please address what exactly is "breaking" next time!  this will help speed things along/reduce confusion from my end! ^^