.flex {
    display: flex;
}

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

.flex.aic {
    align-items: center;
}

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

.flex.jsa {
    justify-content: space-around;
}

.flex.jsb {
    justify-content: space-between;
}

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