.grid-container {
display: grid;
grid-template-columns: 1fr 1fr 1fr;
grid-template-columns: repeat(auto-fit, 300px);
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
grid-template-rows: 100px 100px 100px 100px;
gap: 20px;
}
#gi1 {
grid-column: 1 / 3;
grid-row: 1 / 3;
}