css grid border collapse (sort of)2020. 8. 25.
parent:
grid-gap: 1px;grid-gap: 1px;child:
box-shadow: 0 0 0 1px <color>;box-shadow: 0 0 0 1px <color>;parent:
grid-gap: 1px;grid-gap: 1px;child:
box-shadow: 0 0 0 1px <color>;box-shadow: 0 0 0 1px <color>;