Bootstrap

BS_image: img-fluid

• Description

Create responsive images by adding an .img-fluid class to the <img> tag. The image will then scale nicely to the parent element.

• Syntax

<img class="img-fluid" src="img_chania.jpg" alt="Chania">

BS_Spacing: my

• Description

Assign responsive-friendly margin or padding values to an element or a subset of its sides with shorthand classes

• Syntax

<div class="my">
  Centered element
</div>