.main-container{height:98vh;display:flex;justify-content:center;align-items:center;background-color:#c7c6c6}.child-container{display:flex;align-items:center;flex-direction:column;border:2px solid gray;padding:3rem 3rem 3rem 4rem;background-color:gray;border-radius:1rem}.input-container{margin-right:13px;margin-bottom:1rem}.input{text-align:right;padding:.5rem 1rem;height:3rem;border-radius:1rem;border:none;background-color:#fff;font-size:2rem;margin-bottom:2rem}.button{margin-right:14px;padding:1rem;font-size:2rem;border-radius:.5rem;border:none;cursor:pointer}.clear,.equal{background:#1e1e1e;color:#fff}.subtract{padding:1rem 1.2rem}.multi,.divide{padding:1rem 1.23rem}