body {
  background-color: #f5f5f5;
}
main.container {
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 0 4px rgba(0,0,0,0.05);
}
table.table-sm td, table.table-sm th {
  padding: 0.25rem 0.5rem;
}