ul {
    padding:0;
}

li {
    list-style-type:none
}

.test-default {
    display:flex;
    flex-direction:row;
}

.row-reverse {
    display:flex;
    flex-direction:row-reverse;
}

.column {
    display:flex;
    flex-direction:column;
}

.column-reverse {
    display:flex;
    flex-direction:column-reverse;
}

.no-wrap {
    display:flex;
    flex-wrap:no-wrap;
    width:300px;
}

.wrap {
    display:flex;
    flex-wrap:wrap;
    width:300px;
}

.a-i li:nth-child(odd) {
    line-height:4em;
}

.a-i-center {
    align-items:center;
}

.a-i-start {
    align-items:flex-start;
}

.a-i-end {
    align-items:flex-end;
}

.justify-content-center {
    justify-content:center;
}

.justify-content-fs {
    justify-content:flex-start;
}

.justify-content-fe {
    justify-content:flex-end;
}

.justify-content-sb {
    justify-content:space-between;
}

.justify-content-sa {
    justify-content:space-around;
}
.justify-content-se {
    justify-content:space-evenly;
}

.order:first-child {
    order:4;
}

.grow li:nth-child(3) {
    flex-grow:2;
}
.shrink > * {
    flex-grow:1;
    flex-basis:1em;
}
.shrink li:nth-child(3) {
    flex-shrink:4;
    flex-grow:0;
}

.grow-articles {
    padding:1em;
}

.grow-articles > * {
    margin:1em;
}

.grow-articles article:nth-child(1) {
    flex-shrink:2;
}
.grow-articles article:nth-child(3) {
    flex-shrink:2;
}
/*.grow-articles article:nth-child(2) {
    flex-grow:2;
}*/