table.backnumber {
  width: 100%;
  border-collapse: collapse;
}
table.backnumber th, table.backnumber td {
  padding: 8px;
  text-align: center;
  border-bottom: 1px solid #ddd;
}
table.backnumber th {
  background-color: #f2f2f2;
}
 p {
    padding: 0 1rem;
}
 h1, h2, h3, h4 {
    margin-left: 1rem;
    margin-right: 1rem;
 }
 .Red {
    color: #f14646;
 }