.flex {
    display: flex;
    display: -webkit-flex;
}

.flex-1 {
    flex: 1;
}

.f-row {
    flex-direction: row;
}

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

.f-center {
    justify-content: center;
    align-items: center;
}

.f-right {
    justify-content: flex-end;
    align-items: center;
}

.f-left {
    justify-content: flex-start;
    align-items: center;
}

.f-between {
    justify-content: space-between;
    align-items: center;
}

.f-between-top {
    justify-content: space-between;
    align-items: flex-start;
}