Recommendations of unit types per media type:
| Media | Recommended | Occasional use | Infrequent use | Not recommended | 
|---|---|---|---|---|
| Screen | em, rem, % | px | ch, ex, vw, vh, vmin, vmax | cm, mm, in, pt, pc | 
| em, rem, % | cm, mm, in, pt, pc | ch, ex | px, vw, vh, vmin, vmax | 
| # Terminal Cheat Sheet | |
| pwd # print working directory | |
| ls # list files in directory | |
| cd # change directory | |
| ~ # home directory | |
| .. # up one directory | |
| - # previous working directory | |
| help # get help | |
| -h # get help | 
Recommendations of unit types per media type:
| Media | Recommended | Occasional use | Infrequent use | Not recommended | 
|---|---|---|---|---|
| Screen | em, rem, % | px | ch, ex, vw, vh, vmin, vmax | cm, mm, in, pt, pc | 
| em, rem, % | cm, mm, in, pt, pc | ch, ex | px, vw, vh, vmin, vmax |