*{
    box-sizing: border-box;
    margin: 0;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
}
.container{
    width: 960px;
    height: 480px;
    background-color: chocolate;
    border-radius: 50px;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
}
.article{
    width: 150px;
    height: 150px;
    background-color: aquamarine;
    border-radius: 30px;
    text-align: center;
    display: flex;
    align-items: center;
}