css grid cheat sheet
grid-template-columns: 90px 50px 120px
Source: learncssgrid.com
css grid cheat sheet
.item { grid-column-start: <number> | <name> | span <number> | span <name> | auto; grid-column-end: <number> | <name> | span <number> | span <name> | auto; grid-row-start: <number> | <name> | span <number> | span <name> | auto; grid-row-end: <number> | <name> | span <number> | span <name> | auto; }
Source: css-tricks.com