body {
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
}

.container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 5px; 
    width: 80vmin;
    height: 80vmin; 
}

.block {
    border: 2px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
}

.block01 {
    background-color: red;
    grid-column: 1 / 2;
    grid-row: 1 / 2;
}

.block02 {
    background-color: blue;
    grid-column: 2 / 3;
    grid-row: 1 / 2;
}

.block03 {
    background-color: yellow;
    grid-column: 3 / 4;
    grid-row: 1 / 2;
}

.block04 {
    background-color: white;
    grid-column: 1 / 2;
    grid-row: 2 / 3;
}

.block05 {
    background-color: light orange;
    grid-column: 2 / 4;
    grid-row: 2 / 4;
}

.block06 {
    background-color: red;
    grid-column: 1 / 2;
    grid-row: 3 / 4;
}

.block07 {
    background-color: black;
    grid-column: 2 / 3;
    grid-row: 3 / 4;
}

.block08 {
    background-color: white;
    grid-column: 3 / 4;
    grid-row: 2 / 3;
}

.block09 {
    background-color: red;
    grid-column: 1 / 4;
    grid-row: 4 / 5;
}