body {
    background: #666;
    --hh : 100px;
    margin: 0;
}
* {box-sizing: border-box;}
.map-container {
    background: white;
    overflow: scroll;
    position: relative;
    margin-top: var(--hh);
    width: 100vw;
    height: calc(100vh - var(--hh));
}

.map {
    display: grid;
    grid-template-columns: repeat(17, 1fr);
    grid-template-rows: repeat(10, 1fr);
    border: 1px solid;
    gap: 10px;
    padding: 10px;
    width: calc(100% + 10vw);
    height: calc(100% + 10vh);
    
}
figure {
    margin: 0;
    grid-column: span 3;
    grid-row: span 4;
    grid-column: var(--c, 1) / span 3;
    grid-row: var(--r, 1) / span 4;

    padding: 1em;
    
    display: flex;
    align-items: center;
}
img {
    width: 100%;
    max-width: 300px;
}

figure:nth-child(1){ --c:1; --r: 3}
figure:nth-child(2){ --c:3; --r: 7}
figure:nth-child(3){ --c:5; --r: 1}
figure:nth-child(4){ --c:7; --r: 5}
figure:nth-child(5){ --c:11; --r: 2}
figure:nth-child(6){ --c:10; --r: 8}
figure:nth-child(7){ --c:15; --r: 6}