Answer:
Opacity is used to show or hide the html element For example 0 for hide and 1 for show
<p style="opacity: 0">Show Me</p>
<p style="opacity: 0.5">Show Me</p>
<p style="opacity: 1">Show Me</p>
<p style="opacity: 0">Show Me</p>
<p style="opacity: 0.5">Show Me</p>
<p style="opacity: 1">Show Me</p>
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