The “panel” is not a Bootstrap component itself. The plugin provides the panel shortcut as a kind of toolbox to create your individual panel out of common Bootstrap styles. Review the parameters and play around with the options.
Examples
[bsv-panel]This is the simplest panel[/bsv-panel]
[bsv-panel textstyle="light" bgstyle="info" bordertop="no" borderright="no" borderbottom="no" borderleft="yes" borderstyle="warning" borderradius="rounded" styles="padding:8px;border-width:8px !important;width:400px;"]This is a panel with light textstyle, info style background and a left warning style border 8px thick.[/bsv-panel]