body {
  background-image: url("../images/cave_dark.jpg");
  background-size: cover;
  background-attachment: fixed;
}
table th:first-child {
  border-top-left-radius: 4px;
}

table th:last-child {
  border-top-right-radius: 4px;
}
table tr:last-child td:first-child {
  border-bottom-left-radius: 4px;
}

table tr:last-child td:last-child {
  border-bottom-right-radius: 4px;
}
.img-brand {
  height: 40px;
  margin-bottom: 10px;
}

button.dropdown-toggle {
  margin-top: 7px;
}