Variables in PHP

#gostudy_button_68b3daf97475f { color: rgba(255,255,255,1); }#gostudy_button_68b3daf97475f:hover { color: rgba(30,40,69,1); }#gostudy_button_68b3daf97475f { border-color: rgba(30,40,69,1); background-color: rgba(30,40,69,1); }#gostudy_button_68b3daf97475f:hover { border-color: rgba(30,40,69,1); background-color: rgba(255,255,255,1); }