body{justify-content:center;display:flex}.outer{background-color:pink;border:6px solid #000;border-radius:25px;flex-direction:column;justify-content:center;align-items:center;gap:5%;width:80vh;height:95vh;display:flex}#screen{background-color:#d3d3d3;border:4px solid #000;width:60vh;height:20vh;font-size:20px}.buttons{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}button{border:3px solid #000;width:70px;height:70px;font-size:3em;font-weight:700}button:hover{background-color:purple}#Clear{text-align:center;background-color:#fff;border:2px solid #000;justify-content:center;align-items:center;width:17vh;height:6vh;padding:5px;font-size:1.5em;display:flex}#Clear:hover{background-color:#d3d3d3}