.bg-container{display:-ms-flexbox;display:flex;-ms-flex-pack:center;justify-content:center;-ms-flex-align:center;align-items:center;min-height:100vh;font-family:"Roboto"}.card-container{padding:40px;border-radius:12px;text-align:center}.dark-mode{background-color:#000;color:#fff}.light-mode{background-color:#fff;color:#000;border:1px solid #000}.heading{font-size:32px;margin-bottom:24px}.button{padding:10px 20px;font-size:16px;font-family:"Roboto";cursor:pointer;border-radius:8px;border:none}*{-webkit-box-sizing:border-box;box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Roboto","Oxygen","Ubuntu","Cantarell","Fira Sans","Droid Sans","Helvetica Neue",sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}