Answers for "lg and md in bootstrap"

bootstrap screen sizes

The Bootstrap grid system has four classes:
xs (for phones - screens less than 768px wide)
sm (for tablets - screens equal to or greater than 768px wide)
md (for small laptops - screens equal to or greater than 992px wide)
lg (for laptops and desktops - screens equal to or greater than 1200px wide)

.col-6 bootstrap

.col-6{
	flex: 0 0 50%;
	max-width: 50%;
}

<div class="col-lg-3 mb-4">

<div class="col-lg-3 mb-4">