Install latest/stable of queryselector
Ubuntu 16.04 or later?
Make sure snap support is enabled in your Desktop store.
Install using the command line
sudo snap install queryselector
Don't have snapd? Get set up for snaps.
Get some content from the web:
$ queryselector https://github.com/nottrobin ".user-profile-bio"
Generate an embeddable card to be shared on external websites.
Choose your Linux distribution to get detailed installation instructions. If yours is not shown, get more details on the installing snapd documentation.