.brand-header {
  font-size: 28px;
  line-height: 28px;
}
.brand-header span {
  vertical-align: middle;
}
.head-title {
  font-size: 37px;
}
.btn-libr {
  background: #152744;
  color: #adb5bd;
}
.btn-libr:hover {
  opacity: 0.8;
  color: #adb5bd;
}
.title-section {
  font-size: 33px;
}
.text-section {
  font-size: 24px;
}
.vertical-center {
  display: table;
  width: 100%;
  height: 100%;
  vertical-align: middle;
}
.cell {
  display: table-cell;
  vertical-align: middle;
}
.footer {
  padding: 2.5rem 0;
  color: #999;
  text-align: center;
  border-top: .05rem solid #e5e5e5;
}