:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:#ffffffde;background-color:#6a535a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}.calculator-buttons{display:flex;flex-direction:column;flex-wrap:wrap;height:400px;gap:10px;cursor:pointer}.individual-button{flex:0 0 calc(.25*(100% - 30px));box-sizing:border-box;justify-content:center;transition:transform .1s ease}.individual-button:last-of-type{flex-grow:2}.individual-button:hover{filter:brightness(1.1);animation:bounce .3s ease}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-2px)}}