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

body {
    background-color: #121212;
    color: #e3e3e3;
}

.item {
    background-color:teal;
    height: 2rem;
    width: 2rem;
}

.grid {
    display: grid;
    gap: 1rem;
}

.grid-1 {
    justify-content: center;
   
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
    justify-items: center;
}

.grid-3 {
    grid-template-columns: repeat(4, 1fr);
    justify-items: center;
}