.subnet-block{border:1px solid #ced4da;margin:4px;padding:8px;border-radius:4px;background-color:#f8f9fa;position:relative;transition:all .2s}.subnet-block:hover{border-color:#0d6efd;box-shadow:0 2px 4px rgba(0,0,0,.05)}.subnet-header{font-family:monospace;font-weight:700;display:flex;justify-content:space-between;align-items:center}.subnet-details{font-size:.8rem;color:#6c757d}.btn-split{font-size:.7rem;padding:1px 6px}.subnet-children{display:flex;flex-wrap:wrap;margin-top:8px}.subnet-children>.subnet-block{flex:1 1 45%}