.grid img {
    width: 500px;
}

.grid li {
    display: block;
    padding: 0;
    width: 50%;
}

.grid {
    padding: 0;
}

.img1 li{
    width: 500px;
    display: inline-block;
    margin-top: 2rem;
}

.img2 {
    vertical-align: top;
}