er: 1px solid black;
            text-align: center;
            
        }
    </style>
</head>
<body>
    <div class="conteiner">
        <div class="item">A</div>
        <div class="item">B</div>
        <div class="item">C</div>
        <div class="item">D</div>
        <div class="item">E</div>
        <div class="item">F</div>
        <div class="item">G</div>
    </div>
</body>
</html>