I’m not so sure is it right or not here.
On that line it have extra " (double quote) nearby .panel-left
<p><a class="button panel-open" href="# data-panel=".panel-left"">Open Left
I’m not so sure is it right or not here.
On that line it have extra " (double quote) nearby .panel-left
<p><a class="button panel-open" href="# data-panel=".panel-left"">Open Left
You are missing a quote after href="#