.container{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh}.input-container{input{border:1px solid black;margin:1rem;padding:.8rem;height:3rem;width:6rem;text-align:center}input::placeholder{text-align:center}}.btn-container{button{margin:1rem;padding:.5rem;border:1px solid black;border-radius:10%;background-color:skyblue;color:black}}