body {
    margin: 0;
    padding: 0;
}

* {
    box-sizing: border-box;
}

.parent-grid {
    display: grid;
    place-content: center;
    height: 100vh;
}


.child-grid {
    border: 5px dotted #05B330;
    border-radius: 10px;
    padding: 1em;
    align-content: center;
}