body{margin:0}main{background-color:#ffdcdc;height:100vh;display:flex;flex-direction:column;align-items:center;text-align:center;font-family:Roboto Mono,monospace}button{margin:0 auto;padding:8px 14px;cursor:pointer;border:2px solid #B5828C;box-shadow:2px 2px #fff,4px 4px #b5828c;transition-duration:.2s}#activity{display:none;border:2px solid #B5828C;background-color:#fff;width:150px;height:100px;padding:20px;align-items:center}