navbar



.navbar {
  position: relative;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  -ms-flex-align: center;
  align-items: center;
  -ms-flex-pack: justify;
  justify-content: space-between;
  padding: 0.5rem 1rem;
}
.navbar-expand {
  -ms-flex-flow: row nowrap;
  flex-flow: row nowrap;
  -ms-flex-pack: start;
  justify-content: flex-start;
}