.flex-left,
.flex-center,
.flex-right,
.flex-top,
.flex-middle,
.flex-bottom,
.flex-vertical {
    flex-flow: row nowrap;
    display: flex;
}

.flex-left,
.flex-center,
.flex-right,
.flex-top,
.flex-middle,
.flex-bottom,
.flex-vertical.flex-left,
.flex-vertical.flex-center,
.flex-vertical.flex-right,
.flex-vertical.flex-top,
.flex-vertical.flex-middle,
.flex-vertical.flex-bottom {
    align-items: stretch;
    justify-content: flex-start;
}
.flex-center,
.flex-vertical.flex-middle {
    justify-content: center;
}
.flex-right,
.flex-vertical.flex-bottom {
    justify-content: flex-end;
}
.flex-top,
.flex-vertical.flex-left {
    align-items: flex-start;
}
.flex-middle,
.flex-vertical.flex-center {
    align-items: center;
}
.flex-bottom,
.flex-vertical.flex-right {
    align-items: flex-end;
}

.units-gap {
    margin-left: calc(var(--width-gap-half) * -1);
    margin-right: calc(var(--width-gap-half) * -1);
}
.units-gap > .unit,
.units-gap > .unit-0,
.units-gap > .unit-1,
.units-gap > .unit-1-on-mobile,
.units-gap > .unit-1-2,
.units-gap > .unit-1-3,
.units-gap > .unit-2-3,
.units-gap > .unit-1-4,
.units-gap > .unit-3-4 {
    padding-left: var(--width-gap-half);
    padding-right: var(--width-gap-half);
}

.units-gap-big {
    margin-left: calc(var(--width-gap) * -1);
    margin-right: calc(var(--width-gap) * -1);
}
.units-gap-big > .unit,
.units-gap-big > .unit-0,
.units-gap-big > .unit-1,
.units-gap-big > .unit-1-on-mobile,
.units-gap-big > .unit-1-2,
.units-gap-big > .unit-1-3,
.units-gap-big > .unit-2-3,
.units-gap-big > .unit-1-4,
.units-gap-big > .unit-3-4 {
    padding-left: var(--width-gap);
    padding-right: var(--width-gap);
}

.unit {
    flex-basis: 0;
    flex-grow: 1;
    max-width: 100%;
}
.unit-1,
.unit-1-on-mobile,
.unit-1-2,
.unit-1-3,
.unit-2-3,
.unit-1-4,
.unit-3-4 {
    flex-shrink: 0;
}
.unit-1 {
    flex-basis: 100%;
    max-width: 100%;
}
.unit-1-2 {
    flex-basis: 50%;
    max-width: 50%;
}
.unit-1-3 {
    flex-basis: 33.33%;
    max-width: 33.33%;
}
.unit-2-3 {
    flex-basis: 66.67%;
    max-width: 66.67%;
}
.unit-1-4 {
    flex-basis: 25%;
    max-width: 25%;
}
.unit-3-4 {
    flex-basis: 75%;
    max-width: 75%;
}

.flex-vertical {
    flex-direction: column;
}
.flex-vertical > .unit,
.flex-vertical > .unit-0,
.flex-vertical > .unit-1,
.flex-vertical > .unit-1-on-mobile,
.flex-vertical > .unit-1-2,
.flex-vertical > .unit-1-3,
.flex-vertical > .unit-2-3,
.flex-vertical > .unit-1-4,
.flex-vertical > .unit-3-4 {
    max-width: none;
}
.flex-vertical > .unit-1 {
    max-height: 100%;
}
.flex-vertical > .unit-1-2 {
    max-height: 50%;
}
.flex-vertical > .unit-1-3 {
    max-height: 33.33%;
}
.flex-vertical > .unit-2-3 {
    max-height: 66.67%;
}
.flex-vertical > .unit-1-4 {
    max-height: 25%;
}
.flex-vertical > .unit-3-4 {
    max-height: 75%;
}

.flex-wrap {
    flex-wrap: wrap;
}

@media (--mobile-viewport) {
    .unit-1-on-mobile {
        flex-basis: 100%;
        max-width: 100%;
    }

    .flex-vertical > .unit-1-on-mobile {
        max-height: 100%;
    }
}