body{margin:0;padding:0;background:#004c71;background-image:url(./images/eff-bg.png);background-size:cover;background-repeat:no-repeat;background-position:center center;height:100vh;overflow:hidden}#app{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.logo{height:100px}.logo_button{display:flex;gap:16px;flex-direction:column;align-items:center;justify-content:center}