.content {
  display: grid;
  grid-template-areas:
    "tabs"
    "window";
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr;
  min-height: calc(100vh);
}

.nav-tabs-container {
  grid-area: tabs;
  padding: 0;
  background-color: #999999;
  border-bottom: 4px solid #CCCCCC;
}

.tab-content {
  grid-area: window;
  background-color: white;
  padding: 0;
  display: none;
}

.tab-content.tab-default {
  display: block;
}

ul.nav-tabs {
  padding: 0;
  margin: 0;
  overflow: auto;
  display: table-row;
  min-height: 2ex;
}

.nav-tabs li {
  display: inline-block;
  padding: 4px 10px;
  min-width: 20px;
  text-decoration: none;
  color: black;
  text-align: center;
  user-select: none;
  cursor: pointer;
}

.nav-tabs li:hover {
  background-color: #EEEEEE;
}

.nav-tabs li.active {
  background-color: #CCCCCC;
}