preview pages: get rid of content jumps when subnav -> subnav-fixed
[bootswatch] / spruce /
drwxr-xr-x   ..
-rw-r--r-- 132781 bootstrap.css
-rw-r--r-- 115564 bootstrap.min.css
-rwxr-xr-x 9417 bootswatch.less
-rwxr-xr-x 35704 index.html
-rw-r--r-- 12252 thumbnail.png
-rwxr-xr-x 9297 variables.less