Here's some reference for you to make article that you use hide and show some text.
Very Easy..
Demo
Buka/Tutup Spoiler
Lorem ipsum dolor sit amet,
consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt
ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim
veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl
ut aliquip ex ea commodo consequat.
the css :
<style> input.trigger { display:inline-block; margin:0px; padding:0px; } .spoiler { background-color:white; padding:15px 30px; margin:10px 0px 0px; display:none; } input.trigger:checked + .spoiler { display:block; } </style>