body{display:flex;justify-content:center;align-items:center;height:100vh;margin:0;background-color:#f2f2f2}.stopwatch{display:flex;align-items:center;flex-direction:column;border:5px solid;border-radius:50px;background-color:#fff;padding:30px;filter:drop-shadow(3px 3px 7px rgba(0,0,0,.55))}.display{font-size:4.5rem;font-family:Orbitron;font-weight:700;color:#4d4d4d;text-shadow:2px 2px 2px hsla(0,0%,0%,.75);margin-bottom:25px}.controls button{font-family:Orbitron;font-size:1.5rem;font-weight:700;padding:10px 20px;margin:5px;min-width:125px;border:none;border-radius:10px;cursor:pointer;color:#fcfff9;transition:background-color .5s ease;filter:drop-shadow(1px 1px 3px hsl(0,0%,30%))}.start-btn{background-color:#1c0}.start-btn:hover{background-color:#0fb300}.stop-btn{background-color:#f2330d}.stop-btn:hover{background-color:#da2e0b}.reset-btn{background-color:#3da8f5}.reset-btn:hover{background-color:#0d93f2}