.center {
  padding-left: 0;
  padding-right: 0;
  margin-left: auto;
  margin-right: auto;
  display: block;
}

.box_shadow {
  box-shadow: 1px 1px 1px 1px rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);
}

img {
  max-width: 100%;
}

table {
  padding: 0;
  border-collapse: collapse;
}

table tr {
  border-top: 1px solid #cccccc;
  background-color: white;
  margin: 0;
  padding: 0;
}

table tr:nth-child(2n) {
  background-color: #f8f8f8;
}

table tr th {
  font-weight: bold;
  border: 1px solid #cccccc;
  text-align: left;
  margin: 0;
  padding: 6px 13px;
}

table tr td {
  border: 1px solid #cccccc;
  text-align: left;
  margin: 0;
  padding: 6px 13px;
}

table tr th :first-child,
table tr td :first-child {
  margin-top: 0;
}

table tr th :last-child,
table tr td :last-child {
  margin-bottom: 0;
}

.center2 {
  margin-left: auto;
  margin-right: auto;
}