Use Effect Hook In React

#gostudy_button_6a27cb7ff2661 { color: rgba(255,255,255,1); }#gostudy_button_6a27cb7ff2661:hover { color: rgba(30,40,69,1); }#gostudy_button_6a27cb7ff2661 { border-color: rgba(30,40,69,1); background-color: rgba(30,40,69,1); }#gostudy_button_6a27cb7ff2661:hover { border-color: rgba(30,40,69,1); background-color: rgba(255,255,255,1); }