html, body {
    margin: 0;
    height: 100%;
    overflow: hidden;
}

body {
    display: flex;
    flex-direction: column;
    background-color: black;
}

.o,
.x {
    flex: 1;
    min-height: 0;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
}

.o {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 50px;
    line-height: 0;
    padding: 50px;
}

.x-inner {
    display: flex;
    flex-direction: row;
    gap: 10vw;
    padding: 10vh 40vw 10vh 10vw;
    align-items: flex-start;
    height: 100%;
    box-sizing: border-box;
}

.chair {
    height: 100%;
    width: auto;
    flex-shrink: 0;
    display: block;
}

.notchair {
    height: 70%;
    width: auto;
    flex-shrink: 0;
    display: block;
}

.notchair:nth-child(1) {
    align-self: center;
}

.notchair:nth-child(2) {
    margin-left: 10%;
}

.notchair:nth-child(3) {
    margin-left: 20%;
}