.container{width:100%;height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(140deg,#fff,#fff)}.calculator{padding:20px;border-radius:10px;background-color:#83f283}form input{border:none;outline:0;width:60px;height:60px;font-size:16px;background-color:#d88200;margin:2px;border-radius:10px;color:#fff;font-weight:bolder;cursor:pointer}form input[type=button]:hover{background-color:#ff5e00}form .display{display:flex;justify-content:flex-end;margin:5px 0 15px}form .display input{text-align:right;flex:1;font-size:40px;padding:5px 10px;background-color:#404040}form input.equal{width:123px}input.multiple{font-size:x-large}