.grid{
    padding: 0;
}
.grid li{
display: block;
width: 25%; 
text-align: center; 
font-size: 0.8rem;
margin-bottom: 1rem;
}
.grid img{
    width: 90%;
}

 .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%;
}