Basic Collapsible - Bootstrap Collapse

https://www.w3schools.com/bootstrap/bootstrap_collapse.asp

https://blogdendj.blogspot.com.co/2018/03/esto-debe-ir-al-inicio-basico-de-una.html

https://www.w3schools.com/bootstrap/tryit.asp?filename=trybs_collapsible&stacked=h

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CODE :

<button data-toggle="collapse" data-target="#demo">Collapsible</button>

<div id="demo" class="collapse">
Lorem ipsum dolor text....
</div>


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Lorem ipsum dolor text....