ex-grow' and 'flex-shrink'
and 'writing-mode' value works properly.">
<style>
.flexbox > div {
    font: 14px/1 Ahem;
    min-width: 0;
    min-height: 0;
}

.flex-zero {
    flex: 0;
}

.flex-zero-one-zero-percent {
    flex: 0 1 0%;
}

.flex-zero-one-zero-px {
    flex: 0 1 0px;
}

.flex-half {
    flex: 0.5;
}

.flex-half-one-zero-percent {
    flex: 0.5 1 0%;
}

.flex-half-one-zero-px {
    flex: 0.5 1 0px;
}

.flex-one-one-zero-percent {
    flex: 1 1 0%;
}

.flex-one-one-zero-px {
    flex: 1 1 0px;
}