body { margin: 0; font: 15px/1.55 system-ui, -apple-system, sans-serif; background: #0f1218; color: #e7ecf3; }
main { max-width: 460px; margin: 14vh auto; padding: 0 22px; }
h1 { font-size: 22px; margin: 0 0 10px; }
p { color: #a9b4c4; }
a { color: #6aa8ff; }
.go { display: inline-block; margin-top: 14px; padding: 10px 16px; border-radius: 10px;
      background: #2f5fa8; color: #fff; text-decoration: none; font-weight: 650; }