Images
Responsive and round images are most commonly used. You can make yours responsive by using code snippets below.
Responsive Image
You can use responsive image in your project using below code. Image will have 100% of width of container and height will adjust accordingly while reserving aspect ratio.
Note: In below example you can use scroll bar to resize the image container therefore resizing the image.
Round Image
You can use Round image class to add make an image round in your project.