@include media-breakpoint-down(md) {
  .navbar-collapse{
    position: relative;
    .navbar-nav{
      width: 100%;
      .nav-item{
        &.dropdown{
          position: static;
          .dropdown-menu{
            left: 0;
            right: 0;
            &.show{
              &:before{
                content: none;
              }
            }
          }
        }
      }
    }
  }
}

@include media-breakpoint-down(sm) {
  .navbar-nav{
    .nav-item{
      &.dropdown{
        .dropdown-menu{
          left: 0;
          right: auto;
        }
      }
    }
  }
}