body{margin:0;background:#f5f6fa}.checkerboard{background-color:#fff;background-image:linear-gradient(45deg,#eee 25%,transparent 25%),linear-gradient(-45deg,#eee 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eee 75%),linear-gradient(-45deg,transparent 75%,#eee 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0}.page{padding:20px 24px}.prompt-box{white-space:pre-wrap;background:#fafafa;border:1px solid #f0f0f0;border-radius:6px;padding:8px 10px;font-size:13px}