.grid img{
width:90%;
padding: 0;
}

.grid li{
    display: block;
}

.using-floats li{
    float:left;
}

.using-floats::after{
    content: "";
    display:block;
    clear:both;
}

.grid li{
    width:25%;
    text-align:center;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.using-inline-block li{
    display: inline-block;
}

.using-inline-block{
    font-size: 0;
}

.using-flex{
    display:flex;
    flex-wrap:wrap;
}

.using-grid{
    display:grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

.using-grid li{
    width: 100%;
}