grid-template-rows: 50px 200px.container { display: grid; grid-template-columns: 1fr 1.7fr 1fr; grid-template-rows: 1fr 1fr 1fr 1fr 1fr; gap: 0px 0px; grid-template-areas: "header header header" "aside content content" "aside content content" "aside ad ." "aside footer footer"; } .header { grid-area: header; } .aside { grid-area: aside; } .content { grid-area: content; } .ad { grid-area: ad; } .footer { grid-area: footer; }