css: make hidden bar 50% wide
css: make hidden bar 50% wide

If the hidden bar is 100%, then a horizontal scroll bar appears.
Make it less than 100%.  50% is a nice number.

Signed-off-by: Sean Cross <d7e19930cc1f42c2d0781f4d9e6f1fe5891bf9cf@xobs.io>

chibitronics/ltc-webview-layer,chibitronics/ltc-webview-layer,chibitronics/ltc-webview-layer,chibitronics/ltc-webview-layer