table.blueTable {
  border: 1px solid #494949;
  background-color: #000000;
  width: 100%;
  text-align: center;
  border-collapse: collapse;
}
table.blueTable td, table.blueTable th {
  border: 1px solid #AAAAAA;
  padding: 3px 2px;
}
table.blueTable tbody td {
  font-size: 17px;
  font-weight: bold;
}
table.blueTable tr:nth-child(even) {
  background: #000000;
}
table.blueTable thead {
  background: #303030;
  background: -moz-linear-gradient(top, #646464 0%, #444444 66%, #303030 100%);
  background: -webkit-linear-gradient(top, #646464 0%, #444444 66%, #303030 100%);
  background: linear-gradient(to bottom, #646464 0%, #444444 66%, #303030 100%);
  border-bottom: 2px solid #444444;
}
table.blueTable thead th {
  font-size: 17px;
  font-weight: bold;
  color: #FFFFFF;
  border-left: 2px solid #D0E4F5;
}
table.blueTable thead th:first-child {
  border-left: none;
}

table.blueTable tfoot {
  font-size: 14px;
  font-weight: bold;
  color: #FFFFFF;
  background: #D0E4F5;
  background: -moz-linear-gradient(top, #dcebf7 0%, #d4e6f6 66%, #D0E4F5 100%);
  background: -webkit-linear-gradient(top, #dcebf7 0%, #d4e6f6 66%, #D0E4F5 100%);
  background: linear-gradient(to bottom, #dcebf7 0%, #d4e6f6 66%, #D0E4F5 100%);
  border-top: 2px solid #444444;
}
table.blueTable tfoot td {
  font-size: 14px;
}
table.blueTable tfoot .links {
  text-align: center;
}
table.blueTable tfoot .links a{
  display: inline-block;
  background: #1C6EA4;
  color: #FFFFFF;
  padding: 2px 8px;
  border-radius: 5px;
}

<style>
.btn-group button {
  background-color: #4CAF50; /* Green background */
  border: 1px solid green; /* Green border */
  color: white; /* White text */
  padding: 10px 24px; /* Some padding */
  cursor: pointer; /* Pointer/hand icon */
  float: left; /* Float the buttons side by side */
}

/* Clear floats (clearfix hack) */
.btn-group:after {
  content: "";
  clear: both;
  display: table;
}

.btn-group button:not(:last-child) {
  border-right: none; /* Prevent double borders */
}

/* Add a background color on hover */
.btn-group button:hover {
  background-color: #3e8e41;
}