CSS 3ピクチャ応答式中央
img {
width: 100%;
object-fit: cover;
}
img {
object-position: center;
/* which equals */
object-position: 50% 50%;
}
img {
width: 100%;
object-fit: cover;
}
img {
object-position: center;
/* which equals */
object-position: 50% 50%;
}