.parent {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(5, 1fr);
    gap: 8px;
    width: 100%;
    height: 100%;
}
    
.div1 {
    grid-column: span 2 / span 2;
    grid-row: span 2 / span 2;
}

.div2 {
    grid-row: span 2 / span 2;
    grid-column-start: 1;
    grid-row-start: 3;
}

.div3 {
    grid-row: span 3 / span 3;
    grid-column-start: 2;
    grid-row-start: 3;
}

.div4 {
    grid-column: span 2 / span 2;
    grid-row: span 4 / span 4;
    grid-column-start: 3;
    grid-row-start: 1;
}

.div5 {
    grid-column: span 2 / span 2;
    grid-column-start: 3;
    grid-row-start: 5;
}

.div7 {
    grid-column-start: 1;
    grid-row-start: 5;
}
        
.divbox {
    background-color: #1db31db2;
    border-color: #363636;
    border: 3px;
    border-radius: 5px;
}