body {
  background-color:#E7E7E7;
}
table.table-borderless tbody tr td{
  border-top: none;
}
h4.head-back, h5.head-back{
  background-color: #E7E7E7;
}
.nav-tabs {
  background-color: #E7E7E7;
  margin-bottom: 0;

  li.active a:hover {
    background-color: #f5f5f5;
  }

  li a {
    height: 5em;
  }
}
img {
  max-width: 100%;
  max-height: 100%;
}

.plot {
  height: 300px;
  width: 300px;
}
.faq {
  text-align: block;
  margin-left:15%;
  margin-right:15%;
  margin-top:2%;
}
.faq h1 {
  text-align: center;
}