.btn-group > .btn:first-child { border-bottom-left-radius: 0; } .btn-group > .btn:last-child { border-bottom-right-radius: 0; } .btn-group > .btn { border-bottom: 0; } .label { position: relative; bottom: 4px; } pre { border-top-left-radius: 0; } .container { margin-top: 20px; } .nav { padding-top: 8px; margin-top: 10px; }