.mod_tab_header button {
  cursor: pointer;
}

.mod_tab_button {
  height: 35px;
  font-size: 0.9em;
  padding-right: 2em;
  padding-left: 2em;
}

table {
  border: 5px solid black;
  border-collapse: collapse;
  text-align: center;
}

.center_table {
  margin-left: auto;
  margin-right: auto;
}

.mod_tab_entry {
  display: none;
}