grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));

/* To achieve wrapping, we can use the auto-fit or auto-fill keywords. */

grid-template-columns: repeat( auto-fit, minmax(250px, 1fr) );

grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));

grid-template-columns: repeat( 12, minmax(250px, 1fr) );