.welcomeGs {
    width: 1200px;
    height: 800px;
    margin: 10px auto;
    border: #333;
    box-sizing: border-box;
}

.cmdBox {
    width: 1200px;
    margin: 5px auto;
    border: 1px solid #333;
    box-sizing: border-box;
    padding: 5px;
    background-color: #E6E6FA;
}