@Jeffurry here’s an updated version:
/* For Obsidian 0.9.22 and up */
.img-grid .markdown-preview-section img:not([width]),
.img-grid .markdown-preview-section video {
width:100%;
}
.img-grid .markdown-preview-section > div {
display:flex;
}
.img-grid .markdown-preview-section > div > .internal-embed {
flex:1;
margin-left:-0.5rem;
padding:0 0.5rem 0.5rem 0.5rem;
}
.img-grid .markdown-preview-section > div > *:not(div) {
margin-block-start: 0rem;
margin-block-end: 1rem;
}
.img-grid .markdown-preview-section > div hr {
width:100%;
}
/* These lines make every image the same height */
.img-grid .markdown-preview-section > div > .internal-embed img:not(:active) {
object-fit:cover;
height:100%;
}