.o-icon {
    width: 24px;
    height: 24px;
    &--xs {
        width: 12px;
        height: 12px;
    }
    &--s {
        width: 16px;
        height: 16px;
    }
    &--l {
        width: 32px;
        height: 32px;
    }
    &--xl {
        width: 36px;
        height: 36px;
    }
}