in rico.js [949:966]
_borderSize: function(n) {
var transparentBorderSizes = [ 5, 3, 2, 1 ];
var blendedBorderSizes = [ 2, 1, 1, 1 ];
var compactBorderSizes = [ 1, 0 ];
var actualBorderSizes = [ 0, 2, 0, 0 ];
if ( this.options.compact && (this.options.blend || this._isTransparent()) )
return 1;
else if ( this.options.compact )
return compactBorderSizes[n];
else if ( this.options.blend )
return blendedBorderSizes[n];
else if ( this.options.border )
return actualBorderSizes[n];
else if ( this._isTransparent() )
return transparentBorderSizes[n];
return 0;
},