Sombra ao longo da borda superior do site, assim:
body::before ( content: ""; position: fixed; top: -10px; left: 0; width: 100%; height: 10px; box-shadow: 0px 0 10px rgba(0, 0, 0, 0.8); z-index: 100; )
Sombra ao longo da borda superior do site, assim:
body::before ( content: ""; position: fixed; top: -10px; left: 0; width: 100%; height: 10px; box-shadow: 0px 0 10px rgba(0, 0, 0, 0.8); z-index: 100; )