*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;background:#f0f2f5;color:#111}button{cursor:pointer;border:none;border-radius:6px;padding:8px 16px;font-size:14px}input{border:1px solid #ddd;border-radius:6px;padding:8px 12px;font-size:14px;outline:none;width:100%}input:focus{border-color:#0068ff}