body {
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  margin: 0;
  padding: 30px;
}

.box {
  max-width: 1100px;
  margin: auto;
  background: white;
  padding: 24px;
  border-radius: 12px;
}

input,
select,
button {
  padding: 10px;
  margin: 6px 0;
  width: 100%;
  box-sizing: border-box;
}

button {
  background: #2563eb;
  color: white;
  border: none;
  cursor: pointer;
}

table {
  width: 100%;
  background: white;
  border-collapse: collapse;
}

th {
  background: #eee;
}