.container {
    width: 1000px;
    height: 600px;
    background-color: #c8e6ff;
    margin: 40px auto;
    border-radius: 40px;

    display: flex;
    justify-content: space-evenly;
    flex-wrap: wrap;
    flex-direction: row;
    align-items: center;
    align-content: center;
}

.box {
    width: 45%;
    height: 100px;
    border: 4px solid black;
    border-radius: 20px;
    text-align: center;
    padding: 40px;
    box-sizing: border-box;
}

.item1 {
    background-color: #ffadad;
}

.item2 {
    background-color: #ffd6a5;
}

.item3 {
    background-color: #caffbf;
}

.item4 {
    background-color: #9bf6ff;
}