/* Reset default margin and padding */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html, body {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
  }
  
  /* Centering the button */
  .container {
    text-align: center;
  }
  
  button:active {
    transform: scale(0.95);
  }