body {
  font-family: Arial, sans-serif;
  font-size: 13px;
}

.sim-table {
  border-collapse: collapse;
  width: 100%;
}

.sim-table th, .sim-table td {
  border: 1px solid #ccc;
  padding: 4px;
  text-align: center;
  white-space: nowrap;
}

.sim-table th {
  background: #f5f5f5;
}

.sim-table input[type="number"],
.sim-table input[type="text"],
.sim-table select {
  font-size: 12px;
  padding: 2px;
  width: 60px;
  box-sizing: border-box;
}

.sim-table select {
  width: 80px;
}