:root{--card-radius:18px}
.card{border-radius:var(--card-radius)}
.btn{border-radius:12px}
.hero{
  background: radial-gradient(1200px circle at 20% 20%, rgba(13,110,253,.18), transparent 45%),
              radial-gradient(900px circle at 90% 0%, rgba(25,135,84,.18), transparent 40%),
              #ffffff;
  border: 1px solid #e9ebf2;
  border-radius: 24px;
}
.invoice-table th,.invoice-table td{vertical-align:middle}
.small-help{font-size:.9rem;color:#6c757d}