Images

XS

Portrait Phones

<576px

SM

Landscape Phones

≥576px to <768px

MD

Tablets

≥768px to <992px

LG

Laptops

≥992px to <1200px

XL

Desktops

≥1200px

Responsive Images

.img-fluid

Responsive Thumbnail

.img-thumbnail

Align Images

.d-block & .mx-auto or .ml-auto