grav-lecampus/user/themes/lecampus/scss/theme/_header.scss

#header{
  z-index: 999;
  position: relative;
  nav{
    @include inlineflex();
    justify-content: space-between;
    height: 100px;
    width: auto;
    a{
      padding: 10px;
    }
    & > ul{
      @include inlineflex();
      &> li{
        margin-left: 10px;
        padding: 0 10px 10px 10px;
        & > ul{
          display: none;
        }
        &:nth-last-child(-n+2){
          & > a{
            display: block;
            height: 100px;
            background: rgb(84, 153, 183);
            color: white;
          }
        }
        &:hover{
          & > ul{
            display: block;
            a{
              display: block;
              height: 50px;
              background: white;
              padding: 10px;
            }
          }
        }
      }
    }
    .reso{
      @include inlineflex();
      flex-wrap: nowrap;
      width: 30px;
      img{
        margin-left: 10px;
      }
    }
    .desktop-menu{
      @include inlineflex;
    }
  }
}