*{margin:0;padding:0;box-sizing:border-box}button{background-color:#4f444b;outline:none;border:solid 2px;border-radius:16px;font-size:2rem;font-weight:700;cursor:pointer;font-family:inherit;color:inherit;gap:1rem;padding:10px}body{font-family:Verdana,Geneva,Tahoma,sans-serif;background-color:#262325;color:#33b102}h1,h2{color:#33b102;font-weight:700;text-align:center}h1{margin-bottom:1rem}.App{display:flex;justify-content:center;flex-direction:column;font-family:Calibri;font-size:24px;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}.DigitalClock,.CountDown,.Stopwatch{margin:1rem;padding:2rem;border:#33b102 solid 3px;border-radius:18px}