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Set the opacity level for a <div> element: More "Try it Yourself" examples below. The opacity property sets the opacity level for an element. The opacity-level describes the transparency-level, where 1 is not transparent at all, 0.5 is 50% see-through, and 0 is completely transparent.
- HTML DOM Style opacity Property
The opacity property sets or returns the opacity level of an...
- HTML DOM Style opacity Property
The opacity property sets or returns the opacity level of an element. The opacity-level of an element describes the transparency-level, where 1 is not transperant at all, 0.5 is 50% see-through, and 0 is completely transparent.
Demo of the different values of the opacity property. A yellow DIV element. Change the opacity of the blue DIV.
26 Οκτ 2013 · div#slideSource { opacity:1; -webkit-transition: opacity 3s; -moz-transition: opacity 3s; transition: opacity 3s; } div#slideSource.fade { opacity:0; } The Javascript part. Check if the className exists, if it does then add the class and transitions.
25 Ιουλ 2024 · The opacity CSS property sets the opacity of an element. Opacity is the degree to which content behind an element is hidden, and is the opposite of transparency.
24 Φεβ 2023 · Poster wanted an opaque background, not an opaque element. Text in the element will also be opaque using the opacity method. This answer is not complete enough to provide that. Using rgba with a fallback png would be much better. transparent is the default for background-color.
<p>The following div element's opacity is 0.5. Note that both the text and the background-color are affected by the opacity level:</p> <div>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam semper diam at erat pulvinar, at pulvinar felis blandit...</div>
