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Opacity is the measure of how transparent an element is. It’s measured from 0 to 1, with 1 representing 100%, or fully visible and opaque, and 0 representing 0%, or fully invisible.

Opacity can be used to make elements fade into others for a nice overlay effect. To adjust the opacity of an element, the syntax looks like this:

.overlay { opacity: 0.5; }

In the example above, the .overlay element would be 50% visible, letting whatever is positioned behind it show through.

Instructions

1.

Let’s give the caption on the image some transparency! In style.css, set .caption to have 0.75 opacity.

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