body{box-sizing:border-box;background-color:#121212;margin:0;padding:0;overflow:hidden}#root{width:100%;height:100%}.App{color:#e0e0e0;background-color:#121212;justify-content:center;align-items:center;width:100vw;height:100vh;margin:0;font-family:Pretendard,-apple-system,BlinkMacSystemFont,system-ui,Roboto,sans-serif;display:flex}.center-content{text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.title{text-shadow:0 0 10px #fff3;margin-bottom:2rem;font-size:3.5rem;font-weight:700}.start-button{cursor:pointer;color:#e0e0e0;background-color:#0000;border:2px solid #e0e0e0;border-radius:8px;padding:1rem 3rem;font-size:1.5rem;font-weight:600;transition:all .3s}.start-button:hover{color:#121212;background-color:#e0e0e0;box-shadow:0 0 15px #ffffff80}