Create a Buffer

Buffer settings

Select features on the image.

Distance around features:

Layers to include in the buffer:

Name for the resulting buffer layer:

Merge buffer areas

Fill style

Fill pattern:

Foreground color:

transparent

Transparency:

Background color:

transparent

Border style

Line pattern:

Line color:

transparent

Line thickness:

Results of the buffer are put into a new layer above the top feature layer. This buffer layer has the name you enter here.
To create multiple buffer layers, use different buffer names.
To hide buffer layers, turn them off.
Buffer layers are temporary and are removed when you close the viewer.