.flex{
    display: flex;
}
.flex_FAC{
    display: flex;
    align-items: center;
}
.flex_FCAC{
    display: flex;
    justify-content: center;
    align-items: center;
}
.flex_FSBC{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.flex_FEC{
    display: flex;
    justify-content: end;
    align-items: center;
}