*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:#f5f5f5;color:#333;min-height:100vh}.app-container{min-height:100vh;background-color:#f5f5f5}