If the Opacity options are grayed out and you cannot click on them, you may need to first unlock the layer you have selected. If a layer is locked there will be a padlock icon to the right of the layer name. To unlock the layer, simply click the padlock icon.

If the Opacity options are grayed out and you cannot click on them, you may need to first unlock the layer you have selected. If a layer is locked there will be a padlock icon to the right of the layer name. To unlock the layer, simply click the padlock icon.

If a padlock icon appears in a layer, it’s locked or partially-locked. In this case, double-click on the layer, and set the opacity percentage in the dialog box that pops up.