Please add new properties

[Oliver Williams]

grid-template-columns
grid-template-rows
grid-template-areas
grid-column-gap
grid-row-gap
grid-gap
grid-auto-columns
grid-auto-rows
grid-auto-flow
grid
grid-column-start
grid-column-end
grid-row-start
grid-row-end
grid-column
grid-row
grid-area

http://www.w3.org/TR/css-grid-1/
https://css-tricks.com/snippets/css/complete-guide-grid/