hr { margin: 4em 0; } h3 { color: #87AF4B; } .rgb-lgs-plaene { display: flex; gap: 1em; } @media screen and (max-width: 600px) { .rgb-lgs-plaene { flex-direction: column; } }   1. A24 Landschaft, Berlin Plan 1 (8 MB) Plan 2 (19,3 MB) Plan...