.grid img {
    width: 150px;
    width: 90%;
}

.grid{
    padding: 0;
}

.grid li {
    display:block;
    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;
}

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

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

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