added radio div around displayer and slider
added radio background to the div. made the bar responsive and aligned the slider to the background image slider
finished styling 1)knob is colored 2)play button is styled 3) peach cream radio has a font 4)levels are in oraange
changed around the levels so that level 4 is the calm song and level 1 is the edm mix
wrote the first draft of readme
renamed readme from rdoc to md
fixed the wordings of the readme file
Merge pull request #3 from kevinkang88/STYLE_RADIO

Style radio