body {
  padding-top: 2rem;
  padding-bottom: 2rem;
  padding-left: 5em;
  padding-right: 5em;
}

#zone {
}

.hidden {
  display:none;
}

.center {
  margin-left: 45%;
}

.row {
  margin-bottom: 0.3rem;
}
.row .row {
  margin-top: 1rem;
  margin-bottom: 0;
}
[class*="col-"] {
  padding-top: 1rem;
  padding-bottom: 1rem;
  background-color: rgba(86, 61, 124, .15);
  border: 1px solid rgba(86, 61, 124, .2);
}

hr {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

th {
  padding: 3px 5px 3px 5px;
  border-style: solid solid none none;
  border-width: 1px;
  text-align: left;
  font-weight:bold;
  font-size: 11pt;
  vertical-align: middle;
}

td {
  padding: 3px 5px 3px 5px;
  border-style: solid solid none none;
  border-width: 1px;
  vertical-align: middle;
  font-size: 11pt;
  white-space: nowrap;
}

td.empty {
  background-color: rgba(66, 51, 104, .15);
}

table {
  border-width: 1px;
  border-spacing:0;
  margin: 1em;
  width: 100%;
  border-collapse:collapse;
}

tbody {
  overflow-y: auto;
  height:700px;
  display:block;
  border-style: solid none solid solid;
  border-width: 1px;
  border-spacing:0;
} 

thead {
  display:table;
  border-style: solid none solid solid;
  border-width: 1px;
  border-spacing:0;
}