* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
}

.item {
    background: #fff;
    border: 3px solid black;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.box {
    position: fixed;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: grid;
    grid-auto-rows: 230px;
    grid-template-columns: repeat(4, 230px);
    gap: 40px 80px;
}

.clear {
    grid-column: 3/4;
    transform: translateX(-65%);
}