img {
    width: 150px;
}
.grid {
    padding:0;
}
.grid li {
    display:block;
    width: 25%;
    text-align: center;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}
.using-floats li {
    float:left;
}
.using-floats::after {
    content:"";
    display:block;
    clear:both;
}

.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%;
}