* {
  margin: 0;
  padding: 0;
  box-sizing: 0;
}
:root {
  --primary1: #185c91;
}
.navbar-nav .nav-item .dropdown-menu {
  display: none;
}
.navbar-nav .nav-item:hover .dropdown-menu {
  display: block;
}
li {
  font-weight: 500;
}
.back {
  width: 100%;
  height: 550px;
}
.background{
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -5;
}
.b-photo{
  position: absolute;
  filter: drop-shadow(5px 5px 10px black);
  background-attachment: fixed;
  background-size: cover;
}
.blur{
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 2;
  background-color: #577099dc;
}