.flex {
    display: flex;
}

.flex_FAC {
    display: flex;
    align-items: center;
}

.flex_FJC {
    display: flex;
    justify-content: center;
}

.flex_size_1 {
    flex: 1;
}

.flex_size_2 {
    flex: 2;
}
.flex_FCAC {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.flex_FSBS {
    display: flex;
    justify-content: space-between;
    align-items: start;
}

.flex_FS {
    display: flex;
    align-items: start !important;
}