body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#292929}.App{display:flex;align-items:center;justify-content:center;height:100vh;text-align:center}.App h1{color:#f3f3f3;font-size:10rem;margin:0 0 10px;transition:color .3s ease-in-out}.App h1.plus{color:#2a9d8f}.App h1.minus{color:#e63946}.App h2{font-size:3rem;margin:0;color:#fff}.App button{background:transparent;border:5px solid transparent;text-align:center;font-size:35px;border-radius:25px;padding:12px 25px;cursor:pointer;margin:0 10px;transition:all .08s ease-in-out}.App button.minus{background:linear-gradient(45deg,red,#c00);color:#fff;box-shadow:0 10px #8e202a;border:3px solid rgb(146.1820083682,16.3179916318,27.1966527197)}.App button.plus{background:linear-gradient(45deg,#00e300,#009500);color:#fff;box-shadow:0 10px #1f756a;border:3px solid rgb(25.8542713568,96.6457286432,88.027638191)}.App button:hover{transform:translateY(-2px);opacity:.9}.App button:active{transform:translateY(2px);box-shadow:none}#back{position:absolute;top:10px;right:10px;background:linear-gradient(45deg,#6546ff,#0019ff);color:#fff;font-size:25px;border:0;outline:none;box-shadow:0 9px #171b9c;border:3px solid rgb(19.4475806452,21.6915322581,166.0524193548)}#back:hover{transform:translateY(-2px);opacity:.9}#back:active{transform:translateY(2px);box-shadow:none}@media (max-width: 768px){.App h1{font-size:5rem}.App h2{font-size:1.5rem}.App button{font-size:16px;padding:10px 20px}.App #back{margin:0;font-size:13px;padding:10px 20p}}