collage-maker/web/index.css

.container {
    display: flex;
    background-color: lightyellow;
    height: calc(100vh - 20px);
}
.controls {
    background-color: lightgrey;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 30%;
}
.imagebox {
    padding: 2rem;
    flex: 70%;
}

.image-surface {
    overflow: hidden;
    margin: auto;
    border: 1px solid;
    height: 100%;
    width: auto;
    --collage-ap: 110 / 85;
    aspect-ratio: var(--collage-ap);
}
.showbuton {
    font-size: 2rem;
}

// paper sizes
.letter-portrait {
    aspect-ratio: 85 / 110;
}
.letter-landscape {
    aspect-ratio: 110 / 85;
}
.fiveseven-portrait {
    aspect-ratio: 5 / 7;
}
.fiveseven-landscape {
    aspect-ratio: 7 / 5;
}
.foursix-portrait {
    aspect-ratio: 4 / 6;
}
.foursix-landscape {
    aspect-ratio: 6 / 4;
}

.half-landscape {
    display:flex;
}

.half-landscape .collage-img {
    flex: 50%;
}

.one-two {
    display: grid;
    grid-template-areas: 
    "one two"
    "one three";
}
.one-two .img1{
    grid-area: one;
}

.letter-portrait .collage-img {
    height: 50%;
}
.letter-landscape-2 {
    display:flex;
    // width: 80vh;
    height: 100%;
    // margin: auto;
    aspect-ratio: 110 / 85;
    // aspect-ratio: 7 / 5;
    gap: 1rem;
}
.letter-landscape-2 .img1 {
    flex: 60%;
}
.letter-landscape-2 .img2 {
    flex: 40%;
}