With basic collapse you can open multiple items at a time. to add bottom border use
.collapse-default
as a wrapper of collapse cards and for icons on the right of collapse use
.collapse-icon
You may want to open one item at a time, for that you can use accordion.
Use class .collapse-shadow
as a wrapper of your accordion/collapse card
for
shadow.
Use class .collapse-border
class with your card to create a bordered collapse.
To create a collapse with margin use .collapse-margin
class as a wrapper for your collapse
header.
To create a collapse which opens on hover use data-open-hover="true"
as an attribute with your
accordion class